diff --git a/contrib/a-link/sccp-split-by-con.lua b/contrib/a-link/sccp-split-by-con.lua
deleted file mode 100644
index f5d5502..0000000
--- a/contrib/a-link/sccp-split-by-con.lua
+++ /dev/null
@@ -1,170 +0,0 @@
--- Split trace based on SCCP Source
--- There are still bugs to find... bugs bugs bugs... hmm
-do
-        local function init_listener()
-                print("CREATED LISTENER")
-		local tap = Listener.new("ip", "sccp && (ip.src == 172.16.1.81 || ip.dst == 172.16.1.81)")
-		local sccp_type_field = Field.new("sccp.message_type")
-		local sccp_src_field = Field.new("sccp.slr")
-		local sccp_dst_field = Field.new("sccp.dlr")
-		local msg_type_field = Field.new("gsm_a.dtap_msg_mm_type")
-		local lu_rej_field = Field.new("gsm_a.dtap.rej_cause")
-		local ip_src_field = Field.new("ip.src")
-		local ip_dst_field = Field.new("ip.dst")
-
-		--
-		local bssmap_msgtype_field = Field.new("gsm_a.bssmap_msgtype")
-		-- assignment failure 0x03
-		-- 
-
-		--
-		local dtap_cause_field = Field.new("gsm_a_dtap.cause")
-		local dtap_cc_field = Field.new("gsm_a.dtap_msg_cc_type")
-
-		local connections = {}
-
-		function check_failure(con)
-			check_lu_reject(con)
-			check_disconnect(con)
-			check_failures(con)
-		end
-
-		-- cipher mode reject
-		function check_failures(con)
-			local msgtype = bssmap_msgtype_field()
-			if not msgtype then
-				return
-			end
-
-			msgtype = tonumber(msgtype)
-			if msgtype == 89 then
-				print("Cipher mode reject")
-				con[4] = true
-			elseif msgtype == 0x03 then
-				print("Assignment failure")
-				con[4] = true
-			elseif msgtype == 0x22 then
-				print("Clear Request... RF failure?")
-				con[4] = true
-			end
-		end
-
-		-- check if a DISCONNECT is normal
-		function check_disconnect(con)
-			local msg_type = dtap_cc_field()
-			if not msg_type then
-				return
-			end
-
-			if tonumber(msg_type) ~= 0x25 then
-				return
-			end
-
-			local cause = dtap_cause_field()
-			if not cause then
-				return
-			end
-
-			cause = tonumber(cause)
-			if cause ~= 0x10 then
-				print("DISCONNECT != Normal")
-				con[4] = true
-			end
-		end
-
-		-- check if we have a LU Reject
-		function check_lu_reject(con)
-			local msg_type =  msg_type_field()
-			if not msg_type then
-				return
-			end
-
-			msg_type = tonumber(tostring(msg_type))
-			if msg_type == 0x04 then
-				print("LU REJECT with " .. tostring(lu_rej_field()))
-				con[4] = true
-			end
-		end
-
-                function tap.packet(pinfo,tvb,ip)
-			local ip_src = tostring(ip_src_field())
-			local ip_dst = tostring(ip_dst_field())
-			local sccp_type = tonumber(tostring(sccp_type_field()))
-			local sccp_src = sccp_src_field()
-			local sccp_dst = sccp_dst_field()
-
-			local con
-
-			if sccp_type == 0x01 then
-			elseif sccp_type == 0x2 then
-				local src = string.format("%s-%s", ip_src, tostring(sccp_src))
-				local dst = string.format("%s-%s", ip_dst, tostring(sccp_dst))
-				local datestring = os.date("%Y%m%d%H%M%S")
-				local pcap_name = string.format("alink_trace_%s-%s_%s.pcap", src, dst, datestring)
-				local dumper = Dumper.new_for_current(pcap_name)
-
-				local con = { ip_src, tostring(sccp_src), tostring(sccp_dst), false, dumper, pcap_name }
-
-				dumper:dump_current()
-				connections[src] = con
-				connections[dst] = con
-			elseif sccp_type == 0x4 then
-				-- close a connection... remove it from the list
-				local src = string.format("%s-%s", ip_src, tostring(sccp_src))
-				local dst = string.format("%s-%s", ip_dst, tostring(sccp_dst))
-
-				local con = connections[src]
-				if not con then
-					return
-				end
-
-				con[5]:dump_current()
-				con[5]:flush()
-
-				-- this causes a crash on unpacted wireshark
-				con[5]:close()
-
-				-- the connection had a failure
-				if con[4] == true then
-					local datestring = os.date("%Y%m%d%H%M%S")
-					local new_name = string.format("alink_failure_%s_%s-%s.pcap", datestring, con[2], con[3])
-					os.rename(con[6], new_name)
-				else
-					os.remove(con[6])
-				end
-
-
-				-- clear the old connection
-				connections[src] = nil
-				connections[dst] = nil
-
-			elseif sccp_type == 0x5 then
-				-- not handled yet... we should verify stuff here...
-				local dst = string.format("%s-%s", ip_dst, tostring(sccp_dst))
-				local con = connections[dst]
-				if not con then
-					return
-				end
-				con[5]:dump_current()
-			elseif sccp_type == 0x6 then
-				local dst = string.format("%s-%s", ip_dst, tostring(sccp_dst))
-				local con = connections[dst]
-				if not con then
-					print("DON'T KNOW THIS CONNECTION for " .. ip_dst)
-					return
-				end
-				con[5]:dump_current()
-				check_failure(con)
-			end
-
-                end
-                function tap.draw()
-                        print("DRAW")
-                end
-                function tap.reset()
-                        print("RESET")
-                end
-        end
-
-        init_listener()
-end
diff --git a/contrib/bsc-test/README b/contrib/bsc-test/README
deleted file mode 100644
index adb222e..0000000
--- a/contrib/bsc-test/README
+++ /dev/null
@@ -1 +0,0 @@
-Some crazy scripts call testing... and MSC link failure simulation
diff --git a/contrib/bsc-test/all_dial b/contrib/bsc-test/all_dial
deleted file mode 100644
index 96e5f00..0000000
--- a/contrib/bsc-test/all_dial
+++ /dev/null
@@ -1,8 +0,0 @@
-ABORT BUSY
-ABORT 'NO CARRIER'
-ABORT 'OK'
-
-'' AT
-SAY "Dialing a number\n"
-'OK' ATD05660066;
-
diff --git a/contrib/bsc-test/dial.sh b/contrib/bsc-test/dial.sh
deleted file mode 100755
index e5e19f6..0000000
--- a/contrib/bsc-test/dial.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/sh
-# Evil dial script..
-
-while true;
-do
-	chat -v -f all_dial < /dev/ttyACM0 > /dev/ttyACM0
-	sleep 5s
-	chat -v -f hangup < /dev/ttyACM0 > /dev/ttyACM0
-	sleep 2s
-done
-
diff --git a/contrib/bsc-test/drop-oml.sh b/contrib/bsc-test/drop-oml.sh
deleted file mode 100755
index 84eead7..0000000
--- a/contrib/bsc-test/drop-oml.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/sh
-sleep 3
-echo "enable"
-sleep 1
-echo "drop bts connection 0 oml"
-sleep 1
diff --git a/contrib/bsc-test/drop.sh b/contrib/bsc-test/drop.sh
deleted file mode 100755
index c7b66ba..0000000
--- a/contrib/bsc-test/drop.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/sh
-
-while true;
-do
-	echo "Going to drop the OML connection"
-	./drop-oml.sh | telnet 127.0.0.1 4242
-	sleep 58m
-done
diff --git a/contrib/bsc-test/hangup b/contrib/bsc-test/hangup
deleted file mode 100644
index cad6870..0000000
--- a/contrib/bsc-test/hangup
+++ /dev/null
@@ -1,4 +0,0 @@
-TIMEOUT 10
-'' ^Z
-SAY "Waiting for hangup confirm\n"
-'' ATH;
diff --git a/contrib/bsc-test/msc.sh b/contrib/bsc-test/msc.sh
deleted file mode 100755
index bec011d..0000000
--- a/contrib/bsc-test/msc.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/sh
-
-while true;
-do
-	echo "Kill the osmo-bsc"
-	/usr/bin/kill -s SIGUSR2 `pidof osmo-bsc`
-	sleep 58s
-done
diff --git a/contrib/bsc_control.py b/contrib/bsc_control.py
deleted file mode 100755
index c1b09ce..0000000
--- a/contrib/bsc_control.py
+++ /dev/null
@@ -1,120 +0,0 @@
-#!/usr/bin/python
-# -*- mode: python-mode; py-indent-tabs-mode: nil -*-
-"""
-/*
- * Copyright (C) 2016 sysmocom s.f.m.c. GmbH
- *
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-"""
-
-from optparse import OptionParser
-from ipa import Ctrl
-import socket
-
-verbose = False
-
-def connect(host, port):
-        if verbose:
-                print "Connecting to host %s:%i" % (host, port)
-
-        sck = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-        sck.setblocking(1)
-        sck.connect((host, port))
-        return sck
-
-def do_set_get(sck, var, value = None):
-        (r, c) = Ctrl().cmd(var, value)
-        sck.send(c)
-        answer = Ctrl().rem_header(sck.recv(4096))
-        return (answer,) + Ctrl().verify(answer, r, var, value)
-
-def set_var(sck, var, val):
-        (a, _, _) = do_set_get(sck, var, val)
-        return a
-
-def get_var(sck, var):
-        (_, _, v) = do_set_get(sck, var)
-        return v
-
-def _leftovers(sck, fl):
-        """
-        Read outstanding data if any according to flags
-        """
-        try:
-                data = sck.recv(1024, fl)
-        except socket.error as (s_errno, strerror):
-                return False
-        if len(data) != 0:
-                tail = data
-                while True:
-                        (head, tail) = Ctrl().split_combined(tail)
-                        print "Got message:", Ctrl().rem_header(head)
-                        if len(tail) == 0:
-                                break
-                return True
-        return False
-
-if __name__ == '__main__':
-        parser = OptionParser("Usage: %prog [options] var [value]")
-        parser.add_option("-d", "--host", dest="host",
-                          help="connect to HOST", metavar="HOST")
-        parser.add_option("-p", "--port", dest="port", type="int",
-                          help="use PORT", metavar="PORT", default=4249)
-        parser.add_option("-g", "--get", action="store_true",
-                          dest="cmd_get", help="perform GET operation")
-        parser.add_option("-s", "--set", action="store_true",
-                          dest="cmd_set", help="perform SET operation")
-        parser.add_option("-v", "--verbose", action="store_true",
-                          dest="verbose", help="be verbose", default=False)
-        parser.add_option("-m", "--monitor", action="store_true",
-                          dest="monitor", help="monitor the connection for traps", default=False)
-
-        (options, args) = parser.parse_args()
-
-        verbose = options.verbose
-
-        if options.cmd_set and options.cmd_get:
-                parser.error("Get and set options are mutually exclusive!")
-
-        if not (options.cmd_get or options.cmd_set or options.monitor):
-                parser.error("One of -m, -g, or -s must be set")
-
-        if not (options.host):
-                parser.error("Destination host and port required!")
-
-        sock = connect(options.host, options.port)
-
-        if options.cmd_set:
-                if len(args) < 2:
-                        parser.error("Set requires var and value arguments")
-                _leftovers(sock, socket.MSG_DONTWAIT)
-                print "Got message:", set_var(sock, args[0], ' '.join(args[1:]))
-
-        if options.cmd_get:
-                if len(args) != 1:
-                        parser.error("Get requires the var argument")
-                _leftovers(sock, socket.MSG_DONTWAIT)
-                (a, _, _) = do_set_get(sock, args[0])
-                print "Got message:", a
-
-        if options.monitor:
-                while True:
-                        if not _leftovers(sock, 0):
-                                print "Connection is gone."
-                                break
-        sock.close()
diff --git a/contrib/bt.py b/contrib/bt.py
deleted file mode 100755
index 1b111ef..0000000
--- a/contrib/bt.py
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/usr/bin/env python
-
-import os
-
-f = open("unbalanced")
-lines = []
-for line in f:
-    lines.append(line)
-
-filenames = {}
-
-output = []
-for line in lines:
-    if "[0x" in line:
-        start = line.find("[")
-        end = line.find("]")
-        addr = line[start+1:end]
-        try:
-            file = filenames[addr]
-        except KeyError:
-            r = os.popen("addr2line -fs -e ./bsc_hack %s" % addr)
-            all = r.read().replace("\n", ",")
-            file = all
-            filenames[addr] = file
-
-        line = line.replace(addr, file)
-    output.append(line)
-
-g = open("unbalanced.2", "w")
-g.write("".join(output))
-
-
-
diff --git a/contrib/convert_to_enum.py b/contrib/convert_to_enum.py
deleted file mode 100755
index bcd6f2c..0000000
--- a/contrib/convert_to_enum.py
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/usr/bin/env python
-
-#
-# Convert ETSI documents to an enum
-#
-
-import re, sys
-
-def convert(string):
-    string = string.strip().replace(" ", "").rjust(8, "0")
-    var = 0
-    offset = 7
-    for char in string:
-        assert offset >= 0
-        var = var | (int(char) << offset)
-        offset = offset - 1
-
-    return var
-
-def string(name):
-    name = name.replace(" ", "_")
-    name = name.replace('"', "")
-    name = name.replace('/', '_')
-    name = name.replace('(', '_')
-    name = name.replace(')', '_')
-    return "%s_%s" % (sys.argv[2], name.upper())
-
-file = open(sys.argv[1])
-
-
-for line in file:
-    m = re.match(r"[ \t]*(?P<value>[01 ]+)[ ]+(?P<name>[a-zA-Z /0-9()]+)", line[:-1])
-
-    if m:
-        print "\t%s\t\t= %d," % (string(m.groupdict()["name"]), convert(m.groupdict()["value"]))
-    else:
-        print line[:-1]
diff --git a/contrib/ctrl2sse.py b/contrib/ctrl2sse.py
deleted file mode 100755
index 8b630ec..0000000
--- a/contrib/ctrl2sse.py
+++ /dev/null
@@ -1,147 +0,0 @@
-#!/usr/bin/python2
-
-mod_license = '''
-/*
- * Copyright (C) 2016 sysmocom s.f.m.c. GmbH
- *
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-'''
-
-import sys, argparse, random, logging, tornado.ioloop, tornado.web, tornado.tcpclient, tornado.httpclient, eventsource, bsc_control
-from eventsource import listener, request
-
-'''
-N. B: this is not an example of building proper REST API or building secure web application.
-It's only purpose is to illustrate conversion of Osmocom's Control Interface to web-friendly API.
-Exposing this to Internet while connected to production network might lead to all sorts of mischief and mayhem
-from NSA' TAO breaking into your network to zombie apocalypse. Do NOT do that.
-'''
-
-token = None
-stream = None
-url = None
-
-'''
-Returns json according to following schema - see http://json-schema.org/documentation.html for details:
-{
-        "title": "Ctrl Schema",
-        "type": "object",
-        "properties": {
-                "variable": {
-                        "type": "string"
-                },
-                "varlue": {
-                        "type": "string"
-                }
-        },
-        "required": ["interface", "variable", "value"]
-}
-Example validation from command-line:
-json validate --schema-file=schema.json --document-file=data.json
-The interface is represented as string because it might look different for IPv4 vs v6.
-'''
-
-def read_header(data):
-	t_length = bsc_control.ipa_ctrl_header(data)
-	if (t_length):
-		stream.read_bytes(t_length - 1, callback = read_trap)
-	else:
-		print >> sys.stderr, "protocol error: length missing in %s!" % data
-
-@tornado.gen.coroutine
-def read_trap(data):
-	(t, z, v, p) = data.split()
-	if (t != 'TRAP' or int(z) != 0):
-		print >> sys.stderr, "protocol error: TRAP != %s or 0! = %d" % (t, int(z))
-	else:
-		yield tornado.httpclient.AsyncHTTPClient().fetch(tornado.httpclient.HTTPRequest(url = "%s/%s/%s" % (url, "ping", token),
-												method = 'POST',
-												headers = {'Content-Type': 'application/json'},
-												body = tornado.escape.json_encode({ 'variable' : v, 'value' : p })))
-		stream.read_bytes(4, callback = read_header)
-
-@tornado.gen.coroutine
-def trap_setup(host, port, target_host, target_port, tk):
-	global stream
-	global url
-	global token
-	token = tk
-	url = "http://%s:%s/sse" % (host, port)
-	stream = yield tornado.tcpclient.TCPClient().connect(target_host, target_port)
-	stream.read_bytes(4, callback = read_header)
-
-def get_v(s, v):
-	return { 'variable' : v, 'value' : bsc_control.get_var(s, tornado.escape.native_str(v)) }
-
-class CtrlHandler(tornado.web.RequestHandler):
-	def initialize(self):
-		self.skt = bsc_control.connect(self.settings['ctrl_host'], self.settings['ctrl_port'])
-
-	def get(self, v):
-		self.write(get_v(self.skt, v))
-
-	def post(self):
-		self.write(get_v(self.skt, self.get_argument("variable")))
-
-class SetCtrl(CtrlHandler):
-	def get(self, var, val):
-		bsc_control.set_var(self.skt, tornado.escape.native_str(var), tornado.escape.native_str(val))
-		super(SetCtrl, self).get(tornado.escape.native_str(var))
-
-	def post(self):
-		bsc_control.set_var(self.skt, tornado.escape.native_str(self.get_argument("variable")), tornado.escape.native_str(self.get_argument("value")))
-		super(SetCtrl, self).post()
-
-class Slash(tornado.web.RequestHandler):
-	def get(self):
-		self.write('<html><head><title>%s</title></head><body>Using Tornado framework v%s'
-				'<form action="/get" method="POST">'
-					'<input type="text" name="variable">'
-					'<input type="submit" value="GET">'
-				'</form>'
-				'<form action="/set" method="POST">'
-					'<input type="text" name="variable">'
-					'<input type="text" name="value">'
-					'<input type="submit" value="SET">'
-				'</form>'
-				'</body></html>' % ("Osmocom Control Interface Proxy", tornado.version))
-
-if __name__ == '__main__':
-	p = argparse.ArgumentParser(description='Osmocom Control Interface proxy.')
-	p.add_argument('-c', '--control-port', type = int, default = 4252, help = "Target Control Interface port")
-	p.add_argument('-a', '--control-host', default = 'localhost', help = "Target Control Interface adress")
-	p.add_argument('-b', '--host', default = 'localhost', help = "Adress to bind proxy's web interface")
-	p.add_argument('-p', '--port', type = int, default = 6969, help = "Port to bind proxy's web interface")
-	p.add_argument('-d', '--debug', action='store_true', help = "Activate debugging (default off)")
-	p.add_argument('-t', '--token', default = 'osmocom', help = "Token to be used by SSE client in URL e. g. http://127.0.0.1:8888/poll/osmocom where 'osmocom' is default token value")
-	p.add_argument('-k', '--keepalive', type = int, default = 5000, help = "Timeout betwwen keepalive messages, in milliseconds, defaults to 5000")
-	args = p.parse_args()
-	random.seed()
-	tornado.netutil.Resolver.configure('tornado.netutil.ThreadedResolver') # Use non-blocking resolver
-	logging.basicConfig()
-	application = tornado.web.Application([
-		(r"/", Slash),
-		(r"/get", CtrlHandler),
-		(r"/get/(.*)", CtrlHandler),
-		(r"/set", SetCtrl),
-		(r"/set/(.*)/(.*)", SetCtrl),
-		(r"/sse/(.*)/(.*)", listener.EventSourceHandler, dict(event_class = listener.JSONIdEvent, keepalive = args.keepalive)),
-	], debug = args.debug, ctrl_host = args.control_host, ctrl_port = args.control_port)
-	application.listen(address = args.host, port = args.port)
-	trap_setup(args.host, args.port, application.settings['ctrl_host'], application.settings['ctrl_port'], args.token)
-	tornado.ioloop.IOLoop.instance().start()
diff --git a/contrib/gprs/gb-proxy-unblock-bug.py b/contrib/gprs/gb-proxy-unblock-bug.py
deleted file mode 100755
index 0cd4b87..0000000
--- a/contrib/gprs/gb-proxy-unblock-bug.py
+++ /dev/null
@@ -1,58 +0,0 @@
-#!/usr/bin/env python
-
-"""
-demonstrate a unblock bug on the GB Proxy..
-"""
-
-bts_ns_reset = "\x02\x00\x81\x01\x01\x82\x1f\xe7\x04\x82\x1f\xe7"
-ns_reset_ack = "\x03\x01\x82\x1f\xe7\x04\x82\x1f\xe7"
-
-bts_ns_unblock = "\x06"
-ns_unblock_ack = "\x07"
-
-bts_bvc_reset_0 = "\x00\x00\x00\x00\x22\x04\x82\x00\x00\x07\x81\x03\x3b\x81\x02"
-ns_bvc_reset_0_ack = "\x00\x00\x00\x00\x23\x04\x82\x00\x00"
-
-bts_bvc_reset_8167 = "\x00\x00\x00\x00\x22\x04\x82\x1f\xe7\x07\x81\x08\x08\x88\x72\xf4\x80\x10\x1c\x00\x9c\x40"
-
-
-import socket
-socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
-socket.bind(("0.0.0.0", 0))
-socket.setblocking(1)
-
-
-import sys
-port = int(sys.argv[1])
-print "Sending data to port: %d" % port
-
-def send_and_receive(packet):
-    socket.sendto(packet, ("127.0.0.1", port))
-
-    try:
-        data, addr = socket.recvfrom(4096)
-    except socket.error, e:
-        print "ERROR", e
-        import sys
-        sys.exit(0)
-    return data
-
-#send stuff once
-
-to_send = [
-    (bts_ns_reset, ns_reset_ack, "reset ack"),
-    (bts_ns_unblock, ns_unblock_ack, "unblock ack"),
-    (bts_bvc_reset_0, ns_bvc_reset_0_ack, "BVCI=0 reset ack"),
-]
-
-
-for (out, inp, type) in to_send:
-    res = send_and_receive(out)
-    if res != inp:
-        print "Failed to get the %s" % type
-        sys.exit(-1)
-
-import time
-time.sleep(3)
-res = send_and_receive(bts_bvc_reset_8167)
-print "Sent all messages... check wireshark for the last response"
diff --git a/contrib/gprs/gprs-bssgp-histogram.lua b/contrib/gprs/gprs-bssgp-histogram.lua
deleted file mode 100644
index b1ab5df..0000000
--- a/contrib/gprs/gprs-bssgp-histogram.lua
+++ /dev/null
@@ -1,78 +0,0 @@
--- Simple LUA script to print the size of BSSGP messages over their type...
-
-do
-	local ip_bucket = {}
-
-	local pdu_types = {}
-	pdu_types[ 6] = "PAGING"
-	pdu_types[11] = "SUSPEND"
-	pdu_types[12] = "SUSPEND-ACK"
-	pdu_types[32] = "BVC-BLOCK"
-	pdu_types[33] = "BVC-BLOCK-ACK"
-	pdu_types[34] = "BVC-RESET"
-	pdu_types[35] = "BVC-RESET-ACK"
-	pdu_types[36] = "UNBLOCK"
-	pdu_types[37] = "UNBLOCK-ACK"
-	pdu_types[38] = "FLOW-CONTROL-BVC"
-	pdu_types[39] = "FLOW-CONTROL-BVC-ACK"
-	pdu_types[40] = "FLOW-CONTROL-MS"
-	pdu_types[41] = "FLOW-CONTROL-MS-ACK"
-	pdu_types[44] = "LLC-DISCARDED"
-
-	local function init_listener()
-		-- handle the port as NS over IP
-		local udp_port_table = DissectorTable.get("udp.port")
-		local gprs_ns_dis = Dissector.get("gprs_ns")
-		udp_port_table:add(23000,gprs_ns_dis)
-
-		-- bssgp filters
-		local bssgp_pdu_get = Field.new("bssgp.pdu_type")
-		local udp_length_get = Field.new("udp.length")
-
-		local tap = Listener.new("ip", "udp.port == 23000")
-		function tap.packet(pinfo,tvb,ip)
-			local pdu = bssgp_pdu_get()
-			local len = udp_length_get()
-
-			-- only handle bssgp, but we also want the IP frame
-			if not pdu then
-				return
-			end
-
-			pdu = tostring(pdu)
-			if tonumber(pdu) == 0 or tonumber(pdu) == 1 then
-				return
-			end
-
-			local ip_src = tostring(ip.ip_src)
-			local bssgp_histo = ip_bucket[ip_src]
-			if not bssgp_histo then
-				bssgp_histo = {}
-				ip_bucket[ip_src] = bssgp_histo
-			end
-
-			local key = pdu
-			local bucket = bssgp_histo[key]
-			if not bucket then
-				bucket = {}
-				bssgp_histo[key] = bucket
-			end
-
-			table.insert(bucket, tostring(len))
-			print("IP: " .. ip_src .. " PDU: " .. pdu_types[tonumber(pdu)] .. " Length: " .. tostring(len))
-		end
-
-		function tap.draw()
-			-- well... this will not be called...
---			for ip,bssgp_histo in pairs(dumpers) do
---				print("IP " .. ip)
---			end
-		end
-
-		function tap.reset()
-			-- well... this will not be called...
-		end
-	end
-
-	init_listener()
-end
diff --git a/contrib/gprs/gprs-buffer-count.lua b/contrib/gprs/gprs-buffer-count.lua
deleted file mode 100644
index ca8864a..0000000
--- a/contrib/gprs/gprs-buffer-count.lua
+++ /dev/null
@@ -1,80 +0,0 @@
--- I count the buffer space needed for LLC PDUs in the worse case and print it
-
-do
-	local function init_listener()
-		-- handle the port as NS over IP
-		local udp_port_table = DissectorTable.get("udp.port")
-		local gprs_ns_dis = Dissector.get("gprs_ns")
-		udp_port_table:add(23000,gprs_ns_dis)
-
-		-- bssgp filters
-		local bssgp_pdu_get = Field.new("bssgp.pdu_type")
-		local bssgp_delay_get = Field.new("bssgp.delay_val")
-		local llcgprs_get = Field.new("llcgprs")
-		local pdus = nil
-
-		print("START...")
-
-		local tap = Listener.new("ip", "udp.port == 23000 && bssgp.pdu_type == 0")
-		function tap.packet(pinfo,tvb,ip)
-			local pdu = bssgp_pdu_get()
-			local len = llcgprs_get().len
-			local delay = bssgp_delay_get()
-
-			-- only handle bssgp, but we also want the IP frame
-			if not pdu then
-				return
-			end
-
-			if tonumber(tostring(delay)) == 65535 then
-				pdus = { next = pdus,
-					 len = len,
-					 expires = -1 }
-			else
-				local off = tonumber(tostring(delay)) / 100.0
-				pdus = { next = pdus,
-					 len = len,
-					 expires = pinfo.rel_ts + off }
-			end
-			local now_time = tonumber(tostring(pinfo.rel_ts))
-			local now_size = 0
-			local l = pdus
-			local prev = nil
-			local count = 0
-			while l do
-				if now_time < l.expires or l.expires == -1 then
-					now_size = now_size + l.len
-					prev = l
-					l = l.next
-					count = count + 1
-				else
-					-- delete things
-					if prev == nil then
-						pdus = nil
-						l = nil
-					else
-						prev.next = l.next
-						l = l.next
-					end
-				end
-			end
---			print("TOTAL: " .. now_time .. " PDU_SIZE: " .. now_size)
-			print(now_time .. " " .. now_size / 1024.0 .. " " .. count)
---			print("NOW: " .. tostring(pinfo.rel_ts) .. " Delay: " .. tostring(delay) .. " Length: " .. tostring(len))
-		end
-
-		function tap.draw()
-			-- well... this will not be called...
---			for ip,bssgp_histo in pairs(dumpers) do
---				print("IP " .. ip)
---			end
-			print("END")
-		end
-
-		function tap.reset()
-			-- well... this will not be called...
-		end
-	end
-
-	init_listener()
-end
diff --git a/contrib/gprs/gprs-split-trace-by-tlli.lua b/contrib/gprs/gprs-split-trace-by-tlli.lua
deleted file mode 100644
index 018c377..0000000
--- a/contrib/gprs/gprs-split-trace-by-tlli.lua
+++ /dev/null
@@ -1,46 +0,0 @@
--- Create a file named by_ip/''ip_addess''.cap with all ip traffic of each ip host. (works for tshark only)
--- Dump files are created for both source and destination hosts
-do
-	local dir = "by_tlli"
-	local dumpers = {}
-	local function init_listener()
-		local udp_port_table = DissectorTable.get("udp.port")
-		local gprs_ns_dis = Dissector.get("gprs_ns")
-		udp_port_table:add(23000,gprs_ns_dis)
-
-		local field_tlli = Field.new("bssgp.tlli")
-		local tap = Listener.new("ip", "udp.port == 23000")
-
-		-- we will be called once for every IP Header.
-		-- If there's more than one IP header in a given packet we'll dump the packet once per every header
-		function tap.packet(pinfo,tvb,ip)
-			local tlli = field_tlli()
-			if not tlli then
-				return
-			end
-
-			local tlli_str = tostring(tlli)
-			tlli_dmp = dumpers[tlli_str]
-			if not tlli_dmp then
-				local tlli_hex = string.format("0x%x", tonumber(tlli_str))
-				print("Creating dump for TLLI " .. tlli_hex)
-				tlli_dmp = Dumper.new_for_current(dir .. "/" .. tlli_hex .. ".pcap")
-				dumpers[tlli_str] = tlli_dmp
-			end
-			tlli_dmp:dump_current()
-			tlli_dmp:flush()
-		end
-		function tap.draw()
-			for tlli,dumper in pairs(dumpers) do
-				 dumper:flush()
-			end
-		end
-		function tap.reset()
-			for tlli,dumper in pairs(dumpers) do
-				 dumper:close()
-			end
-			dumpers = {}
-		end
-	end
-	init_listener()
-end
diff --git a/contrib/gprs/gprs-verify-nu.lua b/contrib/gprs/gprs-verify-nu.lua
deleted file mode 100644
index e44fdd1..0000000
--- a/contrib/gprs/gprs-verify-nu.lua
+++ /dev/null
@@ -1,59 +0,0 @@
--- This script verifies that the N(U) is increasing...
---
-do
-	local nu_state_src = {}
-
-	local function init_listener()
-		-- handle the port as NS over IP
-		local udp_port_table = DissectorTable.get("udp.port")
-		local gprs_ns_dis = Dissector.get("gprs_ns")
-		udp_port_table:add(23000,gprs_ns_dis)
-
-		-- we want to look here...
-		local llc_sapi_get = Field.new("llcgprs.sapib")
-		local llc_nu_get = Field.new("llcgprs.nu")
-		local bssgp_tlli_get = Field.new("bssgp.tlli")
-
-		local tap = Listener.new("ip", "udp.port == 23000")
-		function tap.packet(pinfo,tvb,ip)
-			local llc_sapi = llc_sapi_get()
-			local llc_nu = llc_nu_get()
-			local bssgp_tlli = bssgp_tlli_get()
-
-			if not llc_sapi or not llc_nu or not bssgp_tlli then
-				return
-			end
-
-			local ip_src = tostring(ip.ip_src)
-			local bssgp_tlli = tostring(bssgp_tlli)
-			local llc_nu = tostring(llc_nu)
-			local llc_sapi = tostring(llc_sapi)
-
-			local src_key = ip_src .. "-" .. bssgp_tlli .. "-" .. llc_sapi
-			local last_nu = nu_state_src[src_key]
-			if not last_nu then
-				-- print("Establishing mapping for " .. src_key)
-				nu_state_src[src_key] = llc_nu
-				return
-			end
-
-			local function tohex(number)
-				return string.format("0x%x", tonumber(number))
-			end
-
-			nu_state_src[src_key] = llc_nu
-			if tonumber(last_nu) + 1 ~= tonumber(llc_nu) then
-				print("JUMP in N(U) on TLLI " .. tohex(bssgp_tlli) .. " and SAPI: " .. llc_sapi .. " src: " .. ip_src)
-				print("\t last: " .. last_nu .. " now: " .. llc_nu)
-			end
-		end
-
-		function tap.draw()
-		end
-
-		function tap.reset()
-		end
-	end
-	init_listener()
-end
-
diff --git a/contrib/hlr-remove-old.sql b/contrib/hlr-remove-old.sql
deleted file mode 100644
index 626a331..0000000
--- a/contrib/hlr-remove-old.sql
+++ /dev/null
@@ -1,18 +0,0 @@
--- Remove old data from the database
-DELETE FROM Subscriber
-	WHERE id != 1 AND datetime('now', '-10 days') > updated AND authorized != 1;
-DELETE FROM Equipment
-	WHERE datetime('now', '-10 days') > updated;
-DELETE FROM EquipmentWatch
-	WHERE datetime('now', '-10 days') > updated;
-DELETE FROM SMS
-	WHERE datetime('now', '-10 days') > created;
-DELETE FROM VLR
-	WHERE datetime('now', '-10 days') > updated;
-DELETE FROM ApduBlobs
-	WHERE datetime('now', '-10 days') > created;
-DELETE FROM Counters
-	WHERE datetime('now', '-10 days') > timestamp;
-DELETE FROM RateCounters
-	WHERE datetime('now', '-10 days') > timestamp;
-VACUUM;
diff --git a/contrib/hlrsync/hlrsync.py b/contrib/hlrsync/hlrsync.py
deleted file mode 100755
index e4a4955..0000000
--- a/contrib/hlrsync/hlrsync.py
+++ /dev/null
@@ -1,125 +0,0 @@
-#!/usr/bin/python2.5
-
-from __future__ import with_statement
-
-from pysqlite2 import dbapi2 as sqlite3
-import sys
-
-hlr = sqlite3.connect(sys.argv[1])
-web = sqlite3.connect(sys.argv[2])
-
-# switch to autocommit
-hlr.isolation_level = None
-web.isolation_level = None
-
-hlr.row_factory = sqlite3.Row
-web.row_factory = sqlite3.Row
-
-with hlr:
-	hlr_subscrs = hlr.execute("""
-		SELECT * FROM Subscriber
-	""").fetchall()
-	hlr_tokens = hlr.execute("""
-		SELECT * FROM AuthToken
-	""").fetchall()
-
-with web:
-	web_tokens = web.execute("""
-		SELECT * FROM reg_tokens
-	""").fetchall()
-	web_sms = web.execute("""
-		SELECT * FROM sms_queue
-	""").fetchall()
-
-# index by subscr id
-hlr_subscrs_by_id = {}
-hlr_subscrs_by_ext = {}
-hlr_tokens_by_subscr_id = {}
-for x in hlr_subscrs:
-	hlr_subscrs_by_id[x['id']] = x
-	hlr_subscrs_by_ext[x['extension']] = x
-del hlr_subscrs
-for x in hlr_tokens:
-	hlr_tokens_by_subscr_id[x['subscriber_id']] = x
-del hlr_tokens
-
-web_tokens_by_subscr_id = {}
-for x in web_tokens:
-	web_tokens_by_subscr_id[x['subscriber_id']] = x
-del web_tokens
-
-# remove leftover web_tokens and correct inconsistent fields
-with web:
-	for x in web_tokens_by_subscr_id.values():
-		subscr = hlr_subscrs_by_id.get(x['subscriber_id'], None)
-		if subscr is None:
-			web.execute("""
-				      DELETE FROM reg_tokens WHERE subscriber_id = ?
-				   """, (x['subscriber_id'],))
-			del web_tokens_by_subscr_id[x['subscriber_id']]
-			continue
-		if str(x['imsi']) != str(subscr['imsi']) or \
-		   x['extension'] != subscr['extension'] or \
-		   x['tmsi'] != subscr['tmsi'] or \
-		   x['lac'] != subscr['lac']:
-			web.execute("""
-				      UPDATE reg_tokens
-				      SET imsi = ?, extension = ?, tmsi = ?, lac = ?
-				      WHERE subscriber_id = ?
-				   """, (str(subscr['imsi']), subscr['extension'],
-				   subscr['tmsi'], subscr['lac'], x['subscriber_id']))
-
-# add missing web_tokens
-with web:
-	for x in hlr_tokens_by_subscr_id.values():
-		subscr = hlr_subscrs_by_id.get(x['subscriber_id'], None)
-		if subscr is None:
-			hlr.execute("""
-				      DELETE FROM AuthToken WHERE subscriber_id = ?
-				   """, (x['subscriber_id'],))
-			del hlr_tokens_by_subscr_id[x['subscriber_id']]
-			continue
-		webtoken = web_tokens_by_subscr_id.get(x['subscriber_id'], None)
-		if webtoken is None:
-			web.execute("""
-				      INSERT INTO reg_tokens
-				      (subscriber_id, extension, reg_completed, name, email, lac, imsi, token, tmsi)
-				      VALUES
-				      (?, ?, 0, ?, '', ?, ?, ?, ?)
-				   """, (x['subscriber_id'], subscr['extension'], subscr['name'],
-				   subscr['lac'], str(subscr['imsi']), x['token'], subscr['tmsi']))
-
-# authorize subscribers
-with hlr:
-	for x in web_tokens_by_subscr_id.values():
-		subscr = hlr_subscrs_by_id.get(x['subscriber_id'], None)
-		if x['reg_completed'] and not subscr['authorized']:
-			hlr.execute("""
-				      UPDATE Subscriber
-				      SET authorized = 1
-				      WHERE id = ?
-				   """, (x['subscriber_id'],))
-
-# Sync SMS from web to hlr
-with hlr:
-	for sms in web_sms:
-		subscr = hlr_subscrs_by_ext.get(sms['receiver_ext'])
-		if subscr is None:
-			print '%s not found' % sms['receiver_ext']
-			continue
-		hlr.execute("""
-				      INSERT INTO SMS
-				      (created, sender_id, receiver_id, reply_path_req, status_rep_req, protocol_id, data_coding_scheme, ud_hdr_ind, text)
-				      VALUES
-				      (?, 1, ?, 0, 0, 0, 0, 0, ?)
-				   """, (sms['created'], subscr['id'], sms['text']))
-with web:
-	for sms in web_sms:
-		web.execute("""
-				      DELETE FROM sms_queue WHERE id = ?
-				   """, (sms['id'],))
-
-
-hlr.close()
-web.close()
-
diff --git a/contrib/jenkins.sh b/contrib/jenkins.sh
index 2b667ad..22b962e 100755
--- a/contrib/jenkins.sh
+++ b/contrib/jenkins.sh
@@ -26,31 +26,22 @@
 
 osmo-build-dep.sh libosmo-abis
 osmo-build-dep.sh libosmo-netif
-osmo-build-dep.sh libosmo-sccp
-PARALLEL_MAKE="" osmo-build-dep.sh libsmpp34
-osmo-build-dep.sh openggsn
-
-if [ "x$IU" = "x--enable-iu" ]; then
-	osmo-build-dep.sh libasn1c
-	#osmo-build-dep.sh asn1c aper-prefix # only needed for make regen in osmo-iuh
-	osmo-build-dep.sh osmo-iuh
-fi
 
 set +x
 echo
 echo
 echo
-echo " =============================== osmo-msc ==============================="
+echo " =============================== osmo-mgw ==============================="
 echo
 set -x
 
 cd "$base"
 autoreconf --install --force
-./configure --enable-osmo-bsc --enable-nat $SMPP $MGCP $IU --enable-vty-tests --enable-external-tests
+./configure $MGCP --enable-vty-tests --enable-external-tests
 $MAKE $PARALLEL_MAKE
 LD_LIBRARY_PATH="$inst/lib" $MAKE check \
   || cat-testlogs.sh
 LD_LIBRARY_PATH="$inst/lib" \
-  DISTCHECK_CONFIGURE_FLAGS="--enable-osmo-bsc --enable-nat $SMPP $MGCP $IU --enable-vty-tests --enable-external-tests" \
+  DISTCHECK_CONFIGURE_FLAGS="$MGCP --enable-vty-tests --enable-external-tests" \
   $MAKE distcheck \
   || cat-testlogs.sh
diff --git a/contrib/nat/test_regexp.c b/contrib/nat/test_regexp.c
deleted file mode 100644
index 808a703..0000000
--- a/contrib/nat/test_regexp.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/* make test_regexp */
-#include <sys/types.h>
-#include <regex.h>
-#include <stdio.h>
-
-
-int main(int argc, char **argv)
-{
-	regex_t reg;
-	regmatch_t matches[2];
-
-	if (argc != 4) {
-		printf("Invoke with: test_regexp REGEXP REPLACE NR\n");
-		return -1;
-	}
-
-	if (regcomp(&reg, argv[1], REG_EXTENDED) != 0) {
-		fprintf(stderr, "Regexp '%s' is not valid.\n", argv[1]);
-		return -1;
-	}
-
-	if (regexec(&reg, argv[3], 2, matches, 0) == 0 && matches[1].rm_eo != -1)
-		printf("New Number: %s%s\n", argv[2], &argv[3][matches[1].rm_so]);
-	else
-		printf("No match.\n");
-
-	regfree(&reg);
-
-	return 0;
-}
diff --git a/contrib/nat/ussd_example.py b/contrib/nat/ussd_example.py
deleted file mode 100644
index 8f7a58d..0000000
--- a/contrib/nat/ussd_example.py
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/usr/bin/env python2.7
-
-"""
-AGPLv3+ 2016 Copyright Holger Hans Peter Freyther
-
-Example of how to connect to the USSD side-channel and how to respond
-with a fixed message.
-"""
-
-import socket
-import struct
-
-ussdSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-ussdSocket.connect(('127.0.0.1', 5001))
-
-def send_dt1(dstref, data):
-    dlen = struct.pack('B', len(data)).encode('hex')
-    hex = '06' + dstref.encode('hex') + '00' + '01' + dlen + data.encode('hex')
-    pdata = hex.decode('hex')
-    out = struct.pack('>HB', len(pdata), 0xfd) + pdata
-    ussdSocket.send(out)
-
-def send_rel(srcref, dstref):
-    hex = '04' + dstref.encode('hex') + srcref.encode('hex') + '000100'
-    pdata = hex.decode('hex')
-    out = struct.pack('>HB', len(pdata), 0xfd) + pdata
-    ussdSocket.send(out)
-
-def recv_one():
-    plen = ussdSocket.recv(3)
-    (plen,ptype) = struct.unpack(">HB", plen)
-    data = ussdSocket.recv(plen)
-
-    return ptype, data
-
-# Assume this is the ID request
-data = ussdSocket.recv(4)
-ussdSocket.send("\x00\x08\xfe\x05\x00" + "\x05\x01" + "ussd")
-#                      ^len                ^len of tag ... and ignore
-
-# Expect a fake message. see struct ipac_msgt_sccp_state
-ptype, data = recv_one()
-print("%d %s" % (ptype, data.encode('hex')))
-(srcref, dstref, transid, invokeid) = struct.unpack("<3s3sBB", data[1:9])
-print("New transID %d invoke %d" % (transid, invokeid))
-
-# Expect a the invocation.. todo.. extract invoke id
-ptype, data = recv_one()
-print("%d %s" % (ptype, data.encode('hex')))
-
-# Reply with BSSAP + GSM 04.08 + MAP portion
-#                                    00 == invoke id     0f == DCS
-res = "01002a9b2a0802e1901c22a220020100301b02013b301604010f041155e7d2f9bc3a41412894991c06a9c9a713"
-send_dt1(dstref, res.decode('hex'))
-
-clear = "000420040109"
-send_dt1(dstref, clear.decode('hex'))
-
-# should be the clear complete
-send_rel(srcref, dstref)
-
-# Give it some time to handle connection shutdown properly
-print("Gracefully sleeping")
-import time
-time.sleep(3)
diff --git a/contrib/rtp/gen_rtp_header.erl b/contrib/rtp/gen_rtp_header.erl
deleted file mode 100755
index 47839c1..0000000
--- a/contrib/rtp/gen_rtp_header.erl
+++ /dev/null
@@ -1,420 +0,0 @@
-#!/usr/bin/env escript
-%% -*- erlang -*-
-%%! -smp disable
--module(gen_rtp_header).
-
-% -mode(compile).
-
--define(VERSION, "0.1").
-
--export([main/1]).
-
--record(rtp_packet,
-        {
-          version = 2,
-          padding = 0,
-          marker = 0,
-          payload_type = 0,
-          seqno = 0,
-          timestamp = 0,
-          ssrc = 0,
-          csrcs = [],
-          extension = <<>>,
-          payload = <<>>,
-	  realtime
-        }).
-
-
-main(Args) ->
-    DefaultOpts = [{format, state},
-                   {ssrc, 16#11223344},
-                   {rate, 8000},
-                   {pt, 98}],
-    {PosArgs, Opts} = getopts_checked(Args, DefaultOpts),
-    log(debug, fun (Dev) ->
-            io:format(Dev, "Initial options:~n", []),
-	    dump_opts(Dev, Opts),
-	    io:format(Dev, "~s: ~p~n", ["Args", PosArgs])
-        end, [], Opts),
-    main(PosArgs, Opts).
-
-main([First | RemArgs], Opts) ->
-    try
-        F = list_to_integer(First),
-	Format = proplists:get_value(format, Opts, state),
-	PayloadData = proplists:get_value(payload, Opts, undef),
-	InFile = proplists:get_value(file, Opts, undef),
-
-        Payload = case {PayloadData, InFile} of
-	    {undef, undef} ->
-		% use default value
-		#rtp_packet{}#rtp_packet.payload;
-	    {P, undef} -> P;
-	    {_, File} ->
-		log(info, "Loading file '~s'~n", [File], Opts),
-		{ok, InDev} = file:open(File, [read]),
-		DS = [ Pl#rtp_packet.payload || {_T, Pl} <- read_packets(InDev, Opts)],
-		file:close(InDev),
-		log(debug, "File '~s' closed, ~w packets read.~n", [File, length(DS)], Opts),
-		DS
-	end,
-        Dev = standard_io,
-	write_packet_pre(Dev, Format),
-        do_groups(Dev, Payload, F, RemArgs, Opts),
-	write_packet_post(Dev, Format),
-	0
-    catch
-        _:_ ->
-            log(debug, "~p~n", [hd(erlang:get_stacktrace())], Opts),
-            usage(),
-            halt(1)
-    end
-    ;
-
-main(_, _Opts) ->
-    usage(),
-    halt(1).
-
-%%% group (count + offset) handling %%%
-
-do_groups(_Dev, _Pl, _F, [], _Opts) ->
-    ok;
-
-do_groups(Dev, Pl, F, [L], Opts) ->
-    do_groups(Dev, Pl, F, [L, 0], Opts);
-
-do_groups(Dev, Pl, First, [L, O | Args], Opts) ->
-    Ssrc = proplists:get_value(ssrc, Opts, #rtp_packet.ssrc),
-    PT   = proplists:get_value(pt, Opts, #rtp_packet.payload_type),
-    Len  = list_to_num(L),
-    Offs = list_to_num(O),
-    log(info, "Starting group: Ssrc=~.16B, PT=~B, First=~B, Len=~B, Offs=~B~n",
-        [Ssrc, PT, First, Len, Offs], Opts),
-    Pkg = #rtp_packet{ssrc = Ssrc, payload_type = PT},
-    Pl2 = write_packets(Dev, Pl, Pkg, First, Len, Offs, Opts),
-    {Args2, Opts2} = getopts_checked(Args, Opts),
-    log(debug, fun (Io) ->
-            io:format(Io, "Changed options:~n", []),
-	    dump_opts(Io, Opts2 -- Opts)
-        end, [], Opts),
-    do_groups(Dev, Pl2, First+Len, Args2, Opts2).
-
-%%% error handling helpers %%%
-
-getopts_checked(Args, Opts) ->
-    try
-        getopts(Args, Opts)
-    catch
-        C:R ->
-            log(error, "~s~n",
-                [explain_error(C, R, erlang:get_stacktrace(), Opts)], Opts),
-            usage(),
-            halt(1)
-    end.
-
-explain_error(error, badarg, [{erlang,list_to_integer,[S,B]} | _ ], _Opts) ->
-    io_lib:format("Invalid number '~s' (base ~B)", [S, B]);
-explain_error(error, badarg, [{erlang,list_to_integer,[S]} | _ ], _Opts) ->
-    io_lib:format("Invalid decimal number '~s'", [S]);
-explain_error(C, R, [Hd | _ ], _Opts) ->
-    io_lib:format("~p, ~p:~p", [Hd, C, R]);
-explain_error(_, _, [], _Opts) ->
-    "".
-
-%%% usage and options %%%
-
-myname() ->
-    filename:basename(escript:script_name()).
-
-usage(Text) ->
-    io:format(standard_error, "~s: ~s~n", [myname(), Text]),
-    usage().
-
-usage() ->
-    io:format(standard_error,
-              "Usage: ~s [Options] Start Count1 Offs1 [[Options] Count2 Offs2 ...]~n",
-              [myname()]).
-
-show_version() ->
-    io:format(standard_io,
-              "~s ~s~n", [myname(), ?VERSION]).
-
-show_help() ->
-    io:format(standard_io,
-              "Usage: ~s [Options] Start Count1 Offs1 [[Options] Count2 Offs2 ...]~n~n" ++
-              "Options:~n" ++
-	      "  -h, --help             this text~n" ++
-	      "      --version          show version info~n" ++
-	      "  -i, --file=FILE        reads payload from file (state format by default)~n" ++
-	      "  -f, --frame-size=N     read payload as binary frames of size N instead~n" ++
-	      "  -p, --payload=HEX      set constant payload~n" ++
-	      "      --verbose=N        set verbosity~n" ++
-	      "  -v                     increase verbosity~n" ++
-	      "      --format=state     use state format for output (default)~n" ++
-	      "  -C, --format=c         use simple C lines for output~n" ++
-	      "      --format=carray    use a C array for output~n" ++
-	      "  -s, --ssrc=SSRC        set the SSRC~n" ++
-	      "  -t, --type=N           set the payload type~n" ++
-	      "  -r, --rate=N           set the RTP rate [8000]~n" ++
-	      "  -D, --duration=N       set the packet duration in RTP time units [160]~n" ++
-	      "  -d, --delay=FLOAT      add offset to playout timestamp~n" ++
-	      "~n" ++
-	      "Arguments:~n" ++
-	      "  Start              initial packet (sequence) number~n" ++
-	      "  Count              number of packets~n" ++
-	      "  Offs               timestamp offset (in RTP units)~n" ++
-	      "", [myname()]).
-
-getopts([ "--file=" ++ File | R], Opts) ->
-        getopts(R, [{file, File} | Opts]);
-getopts([ "-i" ++ T | R], Opts) ->
-        getopts_alias_arg("--file", T, R, Opts);
-getopts([ "--frame-size=" ++ N | R], Opts) ->
-        Size = list_to_integer(N),
-        getopts(R, [{frame_size, Size}, {in_format, bin} | Opts]);
-getopts([ "-f" ++ T | R], Opts) ->
-        getopts_alias_arg("--frame-size", T, R, Opts);
-getopts([ "--duration=" ++ N | R], Opts) ->
-        Duration = list_to_integer(N),
-        getopts(R, [{duration, Duration} | Opts]);
-getopts([ "-D" ++ T | R], Opts) ->
-        getopts_alias_arg("--duration", T, R, Opts);
-getopts([ "--rate=" ++ N | R], Opts) ->
-        Rate = list_to_integer(N),
-        getopts(R, [{rate, Rate} | Opts]);
-getopts([ "-r" ++ T | R], Opts) ->
-        getopts_alias_arg("--rate", T, R, Opts);
-getopts([ "--version" | _], _Opts) ->
-	show_version(),
-        halt(0);
-getopts([ "--help" | _], _Opts) ->
-	show_help(),
-        halt(0);
-getopts([ "-h" ++ T | R], Opts) ->
-        getopts_alias_no_arg("--help", T, R, Opts);
-getopts([ "--verbose=" ++ V | R], Opts) ->
-        Verbose = list_to_integer(V),
-        getopts(R, [{verbose, Verbose} | Opts]);
-getopts([ "-v" ++ T | R], Opts) ->
-        Verbose = proplists:get_value(verbose, Opts, 0),
-        getopts_short_no_arg(T, R, [ {verbose, Verbose+1} | Opts]);
-getopts([ "--format=state" | R], Opts) ->
-        getopts(R, [{format, state} | Opts]);
-getopts([ "--format=c" | R], Opts) ->
-        getopts(R, [{format, c} | Opts]);
-getopts([ "-C" ++ T | R], Opts) ->
-        getopts_alias_no_arg("--format=c", T, R, Opts);
-getopts([ "--format=carray" | R], Opts) ->
-        getopts(R, [{format, carray} | Opts]);
-getopts([ "--payload=" ++ Hex | R], Opts) ->
-        getopts(R, [{payload, hex_to_bin(Hex)} | Opts]);
-getopts([ "--ssrc=" ++ Num | R], Opts) ->
-        getopts(R, [{ssrc, list_to_num(Num)} | Opts]);
-getopts([ "-s" ++ T | R], Opts) ->
-        getopts_alias_arg("--ssrc", T, R, Opts);
-getopts([ "--type=" ++ Num | R], Opts) ->
-        getopts(R, [{pt, list_to_num(Num)} | Opts]);
-getopts([ "-t" ++ T | R], Opts) ->
-        getopts_alias_arg("--type", T, R, Opts);
-getopts([ "--delay=" ++ Num | R], Opts) ->
-        getopts(R, [{delay, list_to_float(Num)} | Opts]);
-getopts([ "-d" ++ T | R], Opts) ->
-        getopts_alias_arg("--delay", T, R, Opts);
-
-% parsing helpers
-getopts([ "--" | R], Opts) ->
-        {R, normalize_opts(Opts)};
-getopts([ O = "--" ++ _ | _], _Opts) ->
-        usage("Invalid option: " ++ O),
-        halt(1);
-getopts([ [ $-, C | _] | _], _Opts) when C < $0; C > $9 ->
-        usage("Invalid option: -" ++ [C]),
-        halt(1);
-
-getopts(R, Opts) ->
-        {R, normalize_opts(Opts)}.
-
-getopts_short_no_arg([], R, Opts) -> getopts(R, Opts);
-getopts_short_no_arg(T, R, Opts)  -> getopts([ "-" ++ T | R], Opts).
-
-getopts_alias_no_arg(A, [], R, Opts) -> getopts([A | R], Opts);
-getopts_alias_no_arg(A, T, R, Opts)  -> getopts([A, "-" ++ T | R], Opts).
-
-getopts_alias_arg(A, [], [T | R], Opts) -> getopts([A ++ "=" ++ T | R], Opts);
-getopts_alias_arg(A, T, R, Opts)        -> getopts([A ++ "=" ++ T | R], Opts).
-
-normalize_opts(Opts) ->
-       [ proplists:lookup(E, Opts) || E <- proplists:get_keys(Opts) ].
-
-%%% conversions %%%
-
-bin_to_hex(Bin) -> [hd(integer_to_list(N,16)) || <<N:4>> <= Bin].
-hex_to_bin(Hex) -> << <<(list_to_integer([Nib],16)):4>> || Nib <- Hex>>.
-
-list_to_num("-" ++ Str) -> -list_to_num(Str);
-list_to_num("0x" ++ Str) -> list_to_integer(Str, 16);
-list_to_num("0b" ++ Str) -> list_to_integer(Str, 2);
-list_to_num(Str = [ $0 | _ ])  -> list_to_integer(Str, 8);
-list_to_num(Str)         -> list_to_integer(Str, 10).
-
-%%% dumping data %%%
-
-dump_opts(Dev, Opts) ->
-        dump_opts2(Dev, Opts, proplists:get_keys(Opts)).
-
-dump_opts2(Dev, Opts, [OptName | R]) ->
-        io:format(Dev, "  ~-10s: ~p~n",
-                  [OptName, proplists:get_value(OptName, Opts)]),
-        dump_opts2(Dev, Opts, R);
-dump_opts2(_Dev, _Opts, []) -> ok.
-
-%%% logging %%%
-
-log(L, Fmt, Args, Opts) when is_list(Opts) ->
-    log(L, Fmt, Args, proplists:get_value(verbose, Opts, 0), Opts).
-
-log(debug,  Fmt, Args, V, Opts) when V > 2 -> log2("DEBUG", Fmt, Args, Opts);
-log(info,   Fmt, Args, V, Opts) when V > 1 -> log2("INFO", Fmt, Args, Opts);
-log(notice, Fmt, Args, V, Opts) when V > 0 -> log2("NOTICE", Fmt, Args, Opts);
-log(warn,   Fmt, Args, _V, Opts)           -> log2("WARNING", Fmt, Args, Opts);
-log(error,  Fmt, Args, _V, Opts)           -> log2("ERROR", Fmt, Args, Opts);
-
-log(Lvl,  Fmt, Args, V, Opts) when V >= Lvl -> log2("", Fmt, Args, Opts);
-
-log(_, _, _, _i, _) -> ok.
-
-log2(Type, Fmt, Args, _Opts) when is_list(Fmt) ->
-    io:format(standard_error, "~s: " ++ Fmt, [Type | Args]);
-log2("", Fmt, Args, _Opts) when is_list(Fmt) ->
-    io:format(standard_error, Fmt, Args);
-log2(_Type, Fun, _Args, _Opts) when is_function(Fun, 1) ->
-    Fun(standard_error).
-
-%%% RTP packets %%%
-
-make_rtp_packet(P = #rtp_packet{version = 2}) ->
-    << (P#rtp_packet.version):2,
-       0:1, % P
-       0:1, % X
-       0:4, % CC
-       (P#rtp_packet.marker):1,
-       (P#rtp_packet.payload_type):7,
-       (P#rtp_packet.seqno):16,
-       (P#rtp_packet.timestamp):32,
-       (P#rtp_packet.ssrc):32,
-       (P#rtp_packet.payload)/bytes
-    >>.
-
-parse_rtp_packet(
-    << 2:2, % Version 2
-       0:1, % P (not supported yet)
-       0:1, % X (not supported yet)
-       0:4, % CC (not supported yet)
-       M:1,
-       PT:7,
-       SeqNo: 16,
-       TS:32,
-       Ssrc:32,
-       Payload/bytes >>) ->
-    #rtp_packet{
-        version = 0,
-	marker = M,
-	payload_type = PT,
-	seqno = SeqNo,
-	timestamp = TS,
-	ssrc = Ssrc,
-	payload = Payload}.
-
-%%% payload generation %%%
-
-next_payload(F) when is_function(F) ->
-    {F(), F};
-next_payload({F, D}) when is_function(F) ->
-    {P, D2} = F(D),
-    {P, {F, D2}};
-next_payload([P | R]) ->
-    {P, R};
-next_payload([]) ->
-    undef;
-next_payload(Bin = <<_/bytes>>) ->
-    {Bin, Bin}.
-
-%%% real writing work %%%
-
-write_packets(_Dev, DS, _P, _F, 0, _O, _Opts) ->
-    DS;
-write_packets(Dev, DataSource, P = #rtp_packet{}, F, L, O, Opts) ->
-    Format = proplists:get_value(format, Opts, state),
-    Ptime = proplists:get_value(duration, Opts, 160),
-    Delay = proplists:get_value(delay, Opts, 0),
-    Rate = proplists:get_value(rate, Opts, 8000),
-    case next_payload(DataSource) of
-        {Payload, DataSource2} ->
-            write_packet(Dev, Ptime * F / Rate + Delay,
-                         P#rtp_packet{seqno = F, timestamp = F*Ptime+O,
-			              payload = Payload},
-                         Format),
-            write_packets(Dev, DataSource2, P, F+1, L-1, O, Opts);
-	Other -> Other
-    end.
-
-write_packet(Dev, Time, P = #rtp_packet{}, Format) ->
-    Bin = make_rtp_packet(P),
-
-    write_packet_line(Dev, Time, P, Bin, Format).
-
-write_packet_pre(Dev, carray) ->
-    io:format(Dev,
-              "struct {float t; int len; char *data;} packets[] = {~n", []);
-
-write_packet_pre(_Dev, _) -> ok.
-
-write_packet_post(Dev, carray) ->
-    io:format(Dev, "};~n", []);
-
-write_packet_post(_Dev, _) -> ok.
-
-write_packet_line(Dev, Time, _P, Bin, state) ->
-    io:format(Dev, "~f ~s~n", [Time, bin_to_hex(Bin)]);
-
-write_packet_line(Dev, Time, #rtp_packet{seqno = N, timestamp = TS}, Bin, c) ->
-    ByteList = [ [ $0, $x | integer_to_list(Byte, 16) ] || <<Byte:8>> <= Bin ],
-    ByteStr = string:join(ByteList, ", "),
-    io:format(Dev, "/* time=~f, SeqNo=~B, TS=~B */ {~s}~n", [Time, N, TS, ByteStr]);
-
-write_packet_line(Dev, Time, #rtp_packet{seqno = N, timestamp = TS}, Bin, carray) ->
-    io:format(Dev, "  /* RTP: SeqNo=~B, TS=~B */~n", [N, TS]),
-    io:format(Dev, "  {~f, ~B, \"", [Time, size(Bin)]),
-    [ io:format(Dev, "\\x~2.16.0B", [Byte]) || <<Byte:8>> <= Bin ],
-    io:format(Dev, "\"},~n", []).
-
-%%% real reading work %%%
-
-read_packets(Dev, Opts) ->
-    Format = proplists:get_value(in_format, Opts, state),
-
-    read_packets(Dev, Opts, Format).
-
-read_packets(Dev, Opts, Format) ->
-    case read_packet(Dev, Opts, Format) of
-        eof -> [];
-        Tuple -> [Tuple | read_packets(Dev, Opts, Format)]
-    end.
-
-read_packet(Dev, Opts, bin) ->
-    Size = proplists:get_value(frame_size, Opts),
-    case file:read(Dev, Size) of
-        {ok, Data} -> {0, #rtp_packet{payload = iolist_to_binary(Data)}};
-	eof -> eof
-    end;
-read_packet(Dev, _Opts, Format) ->
-    case read_packet_line(Dev, Format) of
-        {Time, Bin} -> {Time, parse_rtp_packet(Bin)};
-	eof -> eof
-    end.
-
-read_packet_line(Dev, state) ->
-    case io:fread(Dev, "", "~f ~s") of
-        {ok, [Time, Hex]} -> {Time, hex_to_bin(Hex)};
-	eof -> eof
-    end.
diff --git a/contrib/rtp/rtp_replay.st b/contrib/rtp/rtp_replay.st
deleted file mode 100644
index e26d073..0000000
--- a/contrib/rtp/rtp_replay.st
+++ /dev/null
@@ -1,21 +0,0 @@
-"
-Simple UDP replay from the state files
-"
-
-PackageLoader fileInPackage: #Sockets.
-FileStream fileIn: 'rtp_replay_shared.st'.
-
-
-Eval [
-    | replay file host dport |
-
-    file := Smalltalk arguments at: 1 ifAbsent: [ 'rtpstream.state' ].
-    host := Smalltalk arguments at: 2 ifAbsent: [ '127.0.0.1' ].
-    dport := (Smalltalk arguments at: 3 ifAbsent: [ '4000' ]) asInteger.
-    sport := (Smalltalk arguments at: 4 ifAbsent: [ '0' ]) asInteger.
-
-    replay := RTPReplay on: file fromPort: sport.
-
-    Transcript nextPutAll: 'Going to stream now'; nl.
-    replay streamAudio: host port: dport.
-]
diff --git a/contrib/rtp/rtp_replay_shared.st b/contrib/rtp/rtp_replay_shared.st
deleted file mode 100644
index 7b68c0f..0000000
--- a/contrib/rtp/rtp_replay_shared.st
+++ /dev/null
@@ -1,118 +0,0 @@
-"
-Simple UDP replay from the state files
-"
-
-PackageLoader fileInPackage: #Sockets.
-
-Object subclass: SDPUtils [
-    "Look into using PetitParser."
-    SDPUtils class >> findPort: aSDP [
-        aSDP linesDo: [:line |
-            (line startsWith: 'm=audio ') ifTrue: [
-                | stream |
-                stream := line readStream
-                            skip: 'm=audio ' size;
-                            yourself.
-                ^ Number readFrom: stream.
-            ]
-        ].
-
-        ^ self error: 'Not found'.
-    ]
-
-    SDPUtils class >> findHost: aSDP [
-        aSDP linesDo: [:line |
-            (line startsWith: 'c=IN IP4 ') ifTrue: [
-                | stream |
-                ^ stream := line readStream
-                            skip: 'c=IN IP4 ' size;
-                            upToEnd.
-            ]
-        ].
-
-        ^ self error: 'Not found'.
-    ]
-]
-
-Object subclass: RTPReplay [
-    | filename socket |
-    RTPReplay class >> on: aFile [
-        ^ self new
-            initialize;
-            file: aFile; yourself
-    ]
-
-    RTPReplay class >> on: aFile fromPort: aPort [
-        ^ self new
-            initialize: aPort;
-            file: aFile; yourself
-    ]
-
-    initialize [
-        self initialize: 0.
-    ]
-
-    initialize: aPort [
-        socket := Sockets.DatagramSocket local: '0.0.0.0' port: aPort.
-    ]
-
-    file: aFile [ 
-        filename := aFile
-    ]
-
-    localPort [
-        ^ socket port
-    ]
-
-    streamAudio: aHost port: aPort [
-        | file last_time last_image udp_send dest |
-
-        last_time := nil.
-        last_image := nil.
-        file := FileStream open: filename mode: #read.
-
-        "Send the payload"
-        dest := Sockets.SocketAddress byName: aHost.
-        udp_send := [:payload | | datagram |
-            datagram := Sockets.Datagram data: payload contents address: dest port: aPort.
-            socket nextPut: datagram
-        ].
-
-        [file atEnd] whileFalse: [
-            | lineStream time data now_image |
-            lineStream := file nextLine readStream.
-
-            "Read the time, skip the blank, parse the data"
-            time := Number readFrom: lineStream.
-            lineStream skip: 1.
-
-            data := WriteStream on: (ByteArray new: 30).
-            [lineStream atEnd] whileFalse: [
-                | hex |
-                hex := lineStream next: 2.
-                data nextPut: (Number readFrom: hex readStream radix: 16).
-            ].
-
-            last_time isNil
-                ifTrue: [
-                    "First time, send it right now"
-                    last_time := time.
-                    last_image := Time millisecondClockValue.
-                    udp_send value: data.
-                ]
-                ifFalse: [
-                    | wait_image new_image_time |
-
-                    "How long to wait?"
-                    wait_image := last_image + ((time - last_time) * 1000).
-                    [ wait_image > Time millisecondClockValue ]
-                        whileTrue: [Processor yield].
-
-                    udp_send value: data.
-                    last_time := time.
-                    last_image := wait_image.
-                ]
-        ]
-    ]
-]
-
diff --git a/contrib/rtp/rtp_replay_sip.st b/contrib/rtp/rtp_replay_sip.st
deleted file mode 100644
index 5f844df..0000000
--- a/contrib/rtp/rtp_replay_sip.st
+++ /dev/null
@@ -1,87 +0,0 @@
-"""
-Create a SIP connection and then stream...
-"""
-
-PackageLoader
-    fileInPackage: #OsmoSIP.
-
-"Load for the replay code"
-FileStream fileIn: 'rtp_replay_shared.st'.
-
-
-Osmo.SIPCall subclass: StreamCall [
-    | sem stream |
-
-    createCall: aSDP [
-        | sdp |
-        stream := RTPReplay on: 'rtp_ssrc6976010.240.240.1_to_10.240.240.50.state'.
-        sdp := aSDP % {stream localPort}.
-        ^ super createCall: sdp.
-    ]
-
-    sem: aSemaphore [
-          sem := aSemaphore
-    ]
-
-    sessionNew [
-        | host port |
-        Transcript nextPutAll: 'The call has started'; nl.
-        Transcript nextPutAll: sdp_result; nl.
-
-        host := SDPUtils findHost: sdp_result.
-        port := SDPUtils findPort: sdp_result.
-
-        [
-            stream streamAudio: host port: port.
-            Transcript nextPutAll: 'Streaming has finished.'; nl.
-        ] fork.
-    ]
-
-    sessionFailed [
-        sem signal
-    ]
-
-    sessionEnd [
-        sem signal
-    ]
-]
-
-Eval [
-    | transport agent call sem sdp_fr sdp_amr |
-
-
-    sdp_fr := (WriteStream on: String new)
-        nextPutAll: 'v=0'; cr; nl;
-        nextPutAll: 'o=twinkle 1739517580 1043400482 IN IP4 127.0.0.1'; cr; nl;
-        nextPutAll: 's=-'; cr; nl;
-        nextPutAll: 'c=IN IP4 127.0.0.1'; cr; nl;
-        nextPutAll: 't=0 0'; cr; nl;
-        nextPutAll: 'm=audio %1 RTP/AVP 0 101'; cr; nl;
-        nextPutAll: 'a=rtpmap:0 PCMU/8000'; cr; nl;
-        nextPutAll: 'a=rtpmap:101 telephone-event/8000'; cr; nl;
-        nextPutAll: 'a=fmtp:101 0-15'; cr; nl;
-        nextPutAll: 'a=ptime:20'; cr; nl;
-        contents.
-
-    sem := Semaphore new.
-    transport := Osmo.SIPUdpTransport
-          startOn: '0.0.0.0' port: 5066.
-    agent := Osmo.SIPUserAgent createOn: transport.
-    transport start.
-
-    call := (StreamCall
-              fromUser: 'sip:1000@sip.zecke.osmocom.org'
-              host: '127.0.0.1'
-              port: 5060
-              to: 'sip:123456@127.0.0.1'
-              on: agent)
-              sem: sem; yourself.
-
-    call createCall: sdp_fr.
-
-
-    "Wait for the stream to have ended"
-    sem wait.
-
-    (Delay forSeconds: 4) wait.
-]
diff --git a/contrib/rtp/timestamp_rtp.lua b/contrib/rtp/timestamp_rtp.lua
deleted file mode 100644
index c18a06b..0000000
--- a/contrib/rtp/timestamp_rtp.lua
+++ /dev/null
@@ -1,28 +0,0 @@
-print("Ni hao")
-
-
-do
-	local tap = Listener.new("ip", "rtp")
-	local rtp_ssrc = Field.new("rtp.ssrc")
-	local frame_time = Field.new("frame.time_relative")
-	local rtp = Field.new("rtp")
-
-	function tap.packet(pinfo, tvb, ip)
-		local ip_src, ip_dst = tostring(ip.ip_src), tostring(ip.ip_dst)
-		local rtp_data = rtp()
-		local filename = "rtp_ssrc" .. rtp_ssrc() "_src_" .. ip_src .. "_to_" .. ip_dst .. ".state"
-		local f = io.open(filename, "a")
-
-		f:write(tostring(frame_time()) .. " ")
-		f:write(tostring(rtp_data.value))
-		f:write("\n")
-		f:close()
-	end
-
-	function tap.draw()
-		print("DRAW")
-	end
-	function tap.reset()
-		print("RESET")
-	end
-end
diff --git a/contrib/sms/fill-hlr.st b/contrib/sms/fill-hlr.st
deleted file mode 100644
index da0643e..0000000
--- a/contrib/sms/fill-hlr.st
+++ /dev/null
@@ -1,66 +0,0 @@
-"I create output for some simple SQL statements for the HLR db"
-
-
-Eval [
-
-"Create tables if they don't exist"
-Transcript show: 'CREATE TABLE SMS (
-                    id INTEGER PRIMARY KEY AUTOINCREMENT,
-                    created TIMESTAMP NOT NULL,
-                    sent TIMESTAMP,
-                    sender_id INTEGER NOT NULL,
-                    receiver_id INTEGER NOT NULL,
-                    deliver_attempts INTEGER NOT NULL DEFAULT 0,
-                    valid_until TIMESTAMP,
-                    reply_path_req INTEGER NOT NULL,
-                    status_rep_req INTEGER NOT NULL,
-                    protocol_id INTEGER NOT NULL,
-                    data_coding_scheme INTEGER NOT NULL,
-                    ud_hdr_ind INTEGER NOT NULL,
-                    dest_addr TEXT,
-                    user_data BLOB,
-                    header BLOB,
-                    text TEXT);'; nl;
-	     show: 'CREATE TABLE Subscriber (
-                    id INTEGER PRIMARY KEY AUTOINCREMENT,
-                    created TIMESTAMP NOT NULL,
-                    updated TIMESTAMP NOT NULL,
-                    imsi NUMERIC UNIQUE NOT NULL,
-                    name TEXT,
-                    extension TEXT UNIQUE,
-                    authorized INTEGER NOT NULL DEFAULT 0,
-                    tmsi TEXT UNIQUE,
-                    lac INTEGER NOT NULL DEFAULT 0);'; nl.
-
-"Create some dummy subscribers"
-num_sub := 1000.
-num_sms := 30.
-lac := 1.
-
-Transcript show: 'BEGIN;'; nl.
-
-1 to: num_sub do: [:each |
-   Transcript show: 'INSERT INTO Subscriber
-                        (imsi, created, updated, authorized, lac, extension)
-                        VALUES
-                        (%1, datetime(''now''), datetime(''now''), 1, %2, %3);' %
-                        {(274090000000000 + each). lac. each}; nl.
-].
-
-1 to: num_sms do: [:sms |
-    1 to: num_sub do: [:sub |
-        Transcript show: 'INSERT INTO SMS
-                            (created, sender_id, receiver_id, valid_until,
-                             reply_path_req, status_rep_req, protocol_id,
-                             data_coding_scheme, ud_hdr_ind, dest_addr,
-                             text) VALUES
-                            (datetime(''now''), 1, %1, ''2222-2-2'',
-                             0, 0, 0,
-                             0, 0, ''123456'',
-                             ''abc'');' % {sub}; nl.
-    ]
-].
-
-Transcript show: 'COMMIT;'; nl.
-
-]
diff --git a/contrib/sms/hlr-query.st b/contrib/sms/hlr-query.st
deleted file mode 100644
index bd3f97a..0000000
--- a/contrib/sms/hlr-query.st
+++ /dev/null
@@ -1,10 +0,0 @@
-"Query for one SMS"
-
-Eval [
-1 to: 100 do: [:each |
-    Transcript show: 'SELECT SMS.* FROM SMS
-                        JOIN Subscriber ON SMS.receiver_id = Subscriber.id
-                            WHERE SMS.id >= 1 AND SMS.sent IS NULL AND Subscriber.lac > 0
-                            ORDER BY SMS.id LIMIT 1;'; nl.
-].
-]
diff --git a/contrib/sms/sqlite-probe.tap.d b/contrib/sms/sqlite-probe.tap.d
deleted file mode 100644
index e75cdfc..0000000
--- a/contrib/sms/sqlite-probe.tap.d
+++ /dev/null
@@ -1,5 +0,0 @@
-probe process("/usr/lib/libsqlite3.so.0.8.6").function("sqlite3_get_table")
-{
-  a = user_string($zSql);
-  printf("sqlite3_get_table called '%s'\n", a);
-}
diff --git a/contrib/soap.py b/contrib/soap.py
deleted file mode 100755
index 4d0a023..0000000
--- a/contrib/soap.py
+++ /dev/null
@@ -1,188 +0,0 @@
-#!/usr/bin/python3
-# -*- mode: python-mode; py-indent-tabs-mode: nil -*-
-"""
-/*
- * Copyright (C) 2016 sysmocom s.f.m.c. GmbH
- *
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-"""
-
-__version__ = "v0.7" # bump this on every non-trivial change
-
-from twisted.internet import defer, reactor
-from twisted_ipa import CTRL, IPAFactory, __version__ as twisted_ipa_version
-from ipa import Ctrl
-from treq import post, collect
-from suds.client import Client
-from functools import partial
-from distutils.version import StrictVersion as V # FIXME: use NormalizedVersion from PEP-386 when available
-import argparse, datetime, signal, sys, os, logging, logging.handlers
-
-# we don't support older versions of TwistedIPA module
-assert V(twisted_ipa_version) > V('0.4')
-
-# keys from OpenBSC openbsc/src/libbsc/bsc_rf_ctrl.c, values SOAP-specific
-oper = { 'inoperational' : 0, 'operational' : 1 }
-admin = { 'locked' : 0, 'unlocked' : 1 }
-policy = { 'off' : 0, 'on' : 1, 'grace' : 2, 'unknown' : 3 }
-
-# keys from OpenBSC openbsc/src/libbsc/bsc_vty.c
-fix = { 'invalid' : 0, 'fix2d' : 1, 'fix3d' : 1 } # SOAP server treats it as boolean but expects int
-
-
-def handle_reply(p, f, log, r):
-    """
-    Reply handler: takes function p to process raw SOAP server reply r, function f to run for each command and verbosity flag v
-    """
-    repl = p(r) # result is expected to have both commands[] array and error string (could be None)
-    bsc_id = repl.commands[0].split()[0].split('.')[3] # we expect 1st command to have net.0.bsc.666.bts.2.trx.1 location prefix format
-    log.info("Received SOAP response for BSC %s with %d commands, error status: %s" % (bsc_id, len(repl.commands), repl.error))
-    log.debug("BSC %s commands: %s" % (bsc_id, repl.commands))
-    for t in repl.commands: # Process OpenBscCommands format from .wsdl
-        (_, m) = Ctrl().cmd(*t.split())
-        f(m)
-
-
-class Trap(CTRL):
-    """
-    TRAP handler (agnostic to factory's client object)
-    """
-    def ctrl_TRAP(self, data, op_id, v):
-        """
-        Parse CTRL TRAP and dispatch to appropriate handler after normalization
-        """
-        (l, r) = v.split()
-        loc = l.split('.')
-        t_type = loc[-1]
-        p = partial(lambda a, i: a[i] if len(a) > i else None, loc) # parse helper
-        method = getattr(self, 'handle_' + t_type.replace('-', ''), lambda: "Unhandled %s trap" % t_type)
-        method(p(1), p(3), p(5), p(7), r) # we expect net.0.bsc.666.bts.2.trx.1 format for trap prefix
-
-    def ctrl_SET_REPLY(self, data, _, v):
-        """
-        Debug log for replies to our commands
-        """
-        self.factory.log.debug('SET REPLY %s' % v)
-
-    def ctrl_ERROR(self, data, op_id, v):
-        """
-        We want to know if smth went wrong
-        """
-        self.factory.log.debug('CTRL ERROR [%s] %s' % (op_id, v))
-
-    def connectionMade(self):
-        """
-        Logging wrapper, calling super() is necessary not to break reconnection logic
-        """
-        self.factory.log.info("Connected to CTRL@%s:%d" % (self.factory.host, self.factory.port))
-        super(CTRL, self).connectionMade()
-
-    @defer.inlineCallbacks
-    def handle_locationstate(self, net, bsc, bts, trx, data):
-        """
-        Handle location-state TRAP: parse trap content, build SOAP context and use treq's routines to post it while setting up async handlers
-        """
-        (ts, fx, lat, lon, height, opr, adm, pol, mcc, mnc) = data.split(',')
-        tstamp = datetime.datetime.fromtimestamp(float(ts)).isoformat()
-        self.factory.log.debug('location-state@%s.%s.%s.%s (%s) [%s/%s] => %s' % (net, bsc, bts, trx, tstamp, mcc, mnc, data))
-        ctx = self.factory.client.registerSiteLocation(bsc, float(lon), float(lat), fix.get(fx, 0), tstamp, oper.get(opr, 2), admin.get(adm, 2), policy.get(pol, 3))
-        d = post(self.factory.location, ctx.envelope)
-        d.addCallback(collect, partial(handle_reply, ctx.process_reply, self.transport.write, self.factory.log)) # treq's collect helper is handy to get all reply content at once using closure on ctx
-        d.addErrback(lambda e, bsc: self.factory.log.critical("HTTP POST error %s while trying to register BSC %s" % (e, bsc)), bsc) # handle HTTP errors
-        # Ensure that we run only limited number of requests in parallel:
-        yield self.factory.semaphore.acquire()
-        yield d # we end up here only if semaphore is available which means it's ok to fire the request without exceeding the limit
-        self.factory.semaphore.release()
-
-    def handle_notificationrejectionv1(self, net, bsc, bts, trx, data):
-        """
-        Handle notification-rejection-v1 TRAP: just an example to show how more message types can be handled
-        """
-        self.factory.log.debug('notification-rejection-v1@bsc-id %s => %s' % (bsc, data))
-
-
-class TrapFactory(IPAFactory):
-    """
-    Store SOAP client object so TRAP handler can use it for requests
-    """
-    location = None
-    log = None
-    semaphore = None
-    client = None
-    host = None
-    port = None
-    def __init__(self, host, port, proto, semaphore, log, wsdl=None, location=None):
-        self.host = host # for logging only,
-        self.port = port # seems to be no way to get it from ReconnectingClientFactory
-        self.log = log
-        self.semaphore = semaphore
-        soap = Client(wsdl, location=location, nosend=True) # make async SOAP client
-        self.location = location.encode() if location else soap.wsdl.services[0].ports[0].location # necessary for dispatching HTTP POST via treq
-        self.client = soap.service
-        level = self.log.getEffectiveLevel()
-        self.log.setLevel(logging.WARNING) # we do not need excessive debug from lower levels
-        super(TrapFactory, self).__init__(proto, self.log)
-        self.log.setLevel(level)
-        self.log.debug("Using IPA %s, SUDS client: %s" % (Ctrl.version, soap))
-
-
-def reloader(path, script, log, dbg1, dbg2, signum, _):
-    """
-    Signal handler: we have to use execl() because twisted's reactor is not restartable due to some bug in twisted implementation
-    """
-    log.info("Received Signal %d - restarting..." % signum)
-    if signum == signal.SIGUSR1 and dbg1 not in sys.argv and dbg2 not in sys.argv:
-        sys.argv.append(dbg1) # enforce debug
-    if signum == signal.SIGUSR2 and (dbg1 in sys.argv or dbg2 in sys.argv): # disable debug
-        if dbg1 in sys.argv:
-            sys.argv.remove(dbg1)
-        if dbg2 in sys.argv:
-            sys.argv.remove(dbg2)
-    os.execl(path, script, *sys.argv[1:])
-
-
-if __name__ == '__main__':
-    p = argparse.ArgumentParser(description='Proxy between given SOAP service and Osmocom CTRL protocol.')
-    p.add_argument('-v', '--version', action='version', version=("%(prog)s " + __version__))
-    p.add_argument('-p', '--port', type=int, default=4250, help="Port to use for CTRL interface, defaults to 4250")
-    p.add_argument('-c', '--ctrl', default='localhost', help="Adress to use for CTRL interface, defaults to localhost")
-    p.add_argument('-w', '--wsdl', required=True, help="WSDL URL for SOAP")
-    p.add_argument('-n', '--num', type=int, default=5, help="Max number of concurrent HTTP requests to SOAP server")
-    p.add_argument('-d', '--debug', action='store_true', help="Enable debug log")
-    p.add_argument('-o', '--output', action='store_true', help="Log to STDOUT in addition to SYSLOG")
-    p.add_argument('-l', '--location', help="Override location found in WSDL file (don't use unless you know what you're doing)")
-    args = p.parse_args()
-
-    log = logging.getLogger('CTRL2SOAP')
-    if args.debug:
-        log.setLevel(logging.DEBUG)
-    else:
-        log.setLevel(logging.INFO)
-    log.addHandler(logging.handlers.SysLogHandler('/dev/log'))
-    if args.output:
-        log.addHandler(logging.StreamHandler(sys.stdout))
-
-    reboot = partial(reloader, os.path.abspath(__file__), os.path.basename(__file__), log, '-d', '--debug') # keep in sync with add_argument() call above
-    signal.signal(signal.SIGHUP, reboot)
-    signal.signal(signal.SIGQUIT, reboot)
-    signal.signal(signal.SIGUSR1, reboot) # restart and enabled debug output
-    signal.signal(signal.SIGUSR2, reboot) # restart and disable debug output
-
-    log.info("SOAP proxy %s starting with PID %d ..." % (__version__, os.getpid()))
-    reactor.connectTCP(args.ctrl, args.port, TrapFactory(args.ctrl, args.port, Trap, defer.DeferredSemaphore(args.num), log, args.wsdl, args.location))
-    reactor.run()
diff --git a/contrib/systemd/osmo-bsc.service b/contrib/systemd/osmo-bsc.service
deleted file mode 100644
index 4047fef..0000000
--- a/contrib/systemd/osmo-bsc.service
+++ /dev/null
@@ -1,12 +0,0 @@
-[Unit]
-Description=OpenBSC BSC
-Wants=osmo-bsc-mgcp.service
-
-[Service]
-Type=simple
-Restart=always
-ExecStart=/usr/bin/osmo-bsc -c /etc/osmocom/osmo-bsc.cfg -s
-RestartSec=2
-
-[Install]
-WantedBy=multi-user.target
diff --git a/contrib/systemd/osmo-gbproxy.service b/contrib/systemd/osmo-gbproxy.service
deleted file mode 100644
index a0b7829..0000000
--- a/contrib/systemd/osmo-gbproxy.service
+++ /dev/null
@@ -1,12 +0,0 @@
-[Unit]
-Description=Osmocom Gb proxy
-
-[Service]
-Type=simple
-ExecStart=/usr/bin/osmo-gbproxy -c /etc/osmocom/osmo-gbproxy.cfg
-Restart=always
-RestartSec=2
-RestartPreventExitStatus=1
-
-[Install]
-WantedBy=multi-user.target
diff --git a/contrib/systemd/osmo-msc.service b/contrib/systemd/osmo-msc.service
deleted file mode 100644
index 7cebb14..0000000
--- a/contrib/systemd/osmo-msc.service
+++ /dev/null
@@ -1,14 +0,0 @@
-[Unit]
-Description=Osmocom Mobile Switching Center (MSC)
-Wants=osmo-hlr.service
-After=osmo-hlr.service
-After=osmo-hnbgw.service
-
-[Service]
-Type=simple
-Restart=always
-ExecStart=/usr/bin/osmo-msc -c /etc/osmocom/osmo-msc.cfg
-RestartSec=2
-
-[Install]
-WantedBy=multi-user.target
diff --git a/contrib/systemd/osmo-nitb.service b/contrib/systemd/osmo-nitb.service
deleted file mode 100644
index 377497e..0000000
--- a/contrib/systemd/osmo-nitb.service
+++ /dev/null
@@ -1,11 +0,0 @@
-[Unit]
-Description=OpenBSC Network In the Box (NITB)
-
-[Service]
-Type=simple
-Restart=always
-ExecStart=/usr/bin/osmo-nitb -s -C -c /etc/osmocom/osmo-nitb.cfg -l /var/lib/osmocom/hlr.sqlite3
-RestartSec=2
-
-[Install]
-WantedBy=multi-user.target
diff --git a/contrib/systemd/osmo-sgsn.service b/contrib/systemd/osmo-sgsn.service
deleted file mode 100644
index bf6a8e0..0000000
--- a/contrib/systemd/osmo-sgsn.service
+++ /dev/null
@@ -1,14 +0,0 @@
-[Unit]
-Description=OpenBSC SGSN
-Wants=osmo-hlr.service
-After=osmo-hlr.service
-After=osmo-hnbgw.service
-
-[Service]
-Type=simple
-Restart=always
-ExecStart=/usr/bin/osmo-sgsn -c /etc/osmocom/osmo-sgsn.cfg
-RestartSec=2
-
-[Install]
-WantedBy=multi-user.target
diff --git a/contrib/testconv/Makefile b/contrib/testconv/Makefile
deleted file mode 100644
index bb856f7..0000000
--- a/contrib/testconv/Makefile
+++ /dev/null
@@ -1,16 +0,0 @@
-
-OBJS = testconv_main.o
-
-CC = gcc
-CFLAGS = -O0 -ggdb -Wall
-LDFLAGS =
-CPPFLAGS = -I../.. -I../../include $(shell pkg-config --cflags libosmocore) $(shell pkg-config --cflags libbcg729)
-LIBS =  ../../src/libmgcp/libmgcp.a ../../src/libcommon/libcommon.a $(shell pkg-config --libs libosmocore) $(shell pkg-config --libs libbcg729) -lgsm -lrt
-
-testconv: $(OBJS)
-	$(CC)  -o $@ $^ $(LDFLAGS) $(LIBS)
-
-testconv_main.o: testconv_main.c
-
-$(OBJS):
-	$(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<
diff --git a/contrib/testconv/testconv_main.c b/contrib/testconv/testconv_main.c
deleted file mode 100644
index 6c95c55..0000000
--- a/contrib/testconv/testconv_main.c
+++ /dev/null
@@ -1,133 +0,0 @@
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <string.h>
-#include <err.h>
-
-#include <osmocom/core/talloc.h>
-#include <osmocom/core/application.h>
-
-#include <openbsc/debug.h>
-#include <openbsc/gsm_data.h>
-#include <openbsc/mgcp.h>
-#include <openbsc/mgcp_internal.h>
-
-#include "bscconfig.h"
-#ifndef BUILD_MGCP_TRANSCODING
-#error "Requires MGCP transcoding enabled (see --enable-mgcp-transcoding)"
-#endif
-
-#include "openbsc/mgcp_transcode.h"
-
-static int audio_name_to_type(const char *name)
-{
-	if (!strcasecmp(name, "gsm"))
-		return 3;
-#ifdef HAVE_BCG729
-	else if (!strcasecmp(name, "g729"))
-		return 18;
-#endif
-	else if (!strcasecmp(name, "pcma"))
-		return 8;
-	else if (!strcasecmp(name, "l16"))
-		return 11;
-	return -1;
-}
-
-int mgcp_get_trans_frame_size(void *state_, int nsamples, int dst);
-
-int main(int argc, char **argv)
-{
-	char buf[4096] = {0x80, 0};
-	int cc, rc;
-	struct mgcp_rtp_end *dst_end;
-	struct mgcp_rtp_end *src_end;
-	struct mgcp_trunk_config tcfg = {{0}};
-	struct mgcp_endpoint endp = {0};
-	struct mgcp_process_rtp_state *state;
-	int in_size;
-	int in_samples = 160;
-	int out_samples = 0;
-	uint32_t ts = 0;
-	uint16_t seq = 0;
-
-	osmo_init_logging(&log_info);
-
-	tcfg.endpoints = &endp;
-	tcfg.number_endpoints = 1;
-	endp.tcfg = &tcfg;
-	mgcp_initialize_endp(&endp);
-
-	dst_end = &endp.bts_end;
-	src_end = &endp.net_end;
-
-	if (argc <= 2)
-		errx(1, "Usage: {gsm|g729|pcma|l16} {gsm|g729|pcma|l16} [SPP]");
-
-	if ((src_end->codec.payload_type = audio_name_to_type(argv[1])) == -1)
-		errx(1, "invalid input format '%s'", argv[1]);
-	if ((dst_end->codec.payload_type = audio_name_to_type(argv[2])) == -1)
-		errx(1, "invalid output format '%s'", argv[2]);
-	if (argc > 3)
-		out_samples = atoi(argv[3]);
-
-	if (out_samples) {
-		dst_end->codec.frame_duration_den = dst_end->codec.rate;
-		dst_end->codec.frame_duration_num = out_samples;
-		dst_end->frames_per_packet = 1;
-	}
-
-	rc = mgcp_transcoding_setup(&endp, dst_end, src_end);
-	if (rc < 0)
-		errx(1, "setup failed: %s", strerror(-rc));
-
-	state = dst_end->rtp_process_data;
-	OSMO_ASSERT(state != NULL);
-
-	in_size = mgcp_transcoding_get_frame_size(state, in_samples, 0);
-	OSMO_ASSERT(sizeof(buf) >= in_size + 12);
-
-	buf[1] = src_end->codec.payload_type;
-	*(uint16_t*)(buf+2) = htons(1);
-	*(uint32_t*)(buf+4) = htonl(0);
-	*(uint32_t*)(buf+8) = htonl(0xaabbccdd);
-
-	while ((cc = read(0, buf + 12, in_size))) {
-		int cont;
-		int len;
-
-		if (cc != in_size)
-			err(1, "read");
-
-		*(uint16_t*)(buf+2) = htonl(seq);
-		*(uint32_t*)(buf+4) = htonl(ts);
-
-		seq += 1;
-		ts += in_samples;
-
-		cc += 12; /* include RTP header */
-
-		len = cc;
-
-		do {
-			cont = mgcp_transcoding_process_rtp(&endp, dst_end,
-							    buf, &len, sizeof(buf));
-			if (cont == -EAGAIN) {
-				fprintf(stderr, "Got EAGAIN\n");
-				break;
-			}
-
-			if (cont < 0)
-				errx(1, "processing failed: %s", strerror(-cont));
-
-			len -= 12; /* ignore RTP header */
-
-			if (write(1, buf + 12, len) != len)
-				err(1, "write");
-
-			len = cont;
-		} while (len > 0);
-	}
-	return 0;
-}
-
diff --git a/contrib/twisted_ipa.py b/contrib/twisted_ipa.py
deleted file mode 100755
index e6d7b1a..0000000
--- a/contrib/twisted_ipa.py
+++ /dev/null
@@ -1,384 +0,0 @@
-#!/usr/bin/python3
-# -*- mode: python-mode; py-indent-tabs-mode: nil -*-
-"""
-/*
- * Copyright (C) 2016 sysmocom s.f.m.c. GmbH
- *
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-"""
-
-__version__ = "0.6" # bump this on every non-trivial change
-
-from ipa import Ctrl, IPA
-from twisted.internet.protocol import ReconnectingClientFactory
-from twisted.internet import reactor
-from twisted.protocols import basic
-import argparse, logging
-
-class IPACommon(basic.Int16StringReceiver):
-    """
-    Generic IPA protocol handler: include some routines for simpler subprotocols.
-    It's not intended as full implementation of all subprotocols, rather common ground and example code.
-    """
-    def dbg(self, line):
-        """
-        Debug print helper
-        """
-        self.factory.log.debug(line)
-
-    def osmo_CTRL(self, data):
-        """
-        OSMO CTRL protocol
-        Placeholder, see corresponding derived class
-        """
-        pass
-
-    def osmo_MGCP(self, data):
-        """
-        OSMO MGCP extension
-        """
-        self.dbg('OSMO MGCP received %s' % data)
-
-    def osmo_LAC(self, data):
-        """
-        OSMO LAC extension
-        """
-        self.dbg('OSMO LAC received %s' % data)
-
-    def osmo_SMSC(self, data):
-        """
-        OSMO SMSC extension
-        """
-        self.dbg('OSMO SMSC received %s' % data)
-
-    def osmo_ORC(self, data):
-        """
-        OSMO ORC extension
-        """
-        self.dbg('OSMO ORC received %s' % data)
-
-    def osmo_GSUP(self, data):
-        """
-        OSMO GSUP extension
-        """
-        self.dbg('OSMO GSUP received %s' % data)
-
-    def osmo_OAP(self, data):
-        """
-        OSMO OAP extension
-        """
-        self.dbg('OSMO OAP received %s' % data)
-
-    def osmo_UNKNOWN(self, data):
-        """
-        OSMO defaul extension handler
-        """
-        self.dbg('OSMO unknown extension received %s' % data)
-
-    def handle_RSL(self, data, proto, extension):
-        """
-        RSL protocol handler
-        """
-        self.dbg('IPA RSL received message with extension %s' % extension)
-
-    def handle_CCM(self, data, proto, msgt):
-        """
-        CCM (IPA Connection Management)
-        Placeholder, see corresponding derived class
-        """
-        pass
-
-    def handle_SCCP(self, data, proto, extension):
-        """
-        SCCP protocol handler
-        """
-        self.dbg('IPA SCCP received message with extension %s' % extension)
-
-    def handle_OML(self, data, proto, extension):
-        """
-        OML protocol handler
-        """
-        self.dbg('IPA OML received message with extension %s' % extension)
-
-    def handle_OSMO(self, data, proto, extension):
-        """
-        Dispatcher point for OSMO subprotocols based on extension name, lambda default should never happen
-        """
-        method = getattr(self, 'osmo_' + IPA().ext(extension), lambda: "extension dispatch failure")
-        method(data)
-
-    def handle_MGCP(self, data, proto, extension):
-        """
-        MGCP protocol handler
-        """
-        self.dbg('IPA MGCP received message with attribute %s' % extension)
-
-    def handle_UNKNOWN(self, data, proto, extension):
-        """
-        Default protocol handler
-        """
-        self.dbg('IPA received message for %s (%s) protocol with attribute %s' % (IPA().proto(proto), proto, extension))
-
-    def process_chunk(self, data):
-        """
-        Generic message dispatcher for IPA (sub)protocols based on protocol name, lambda default should never happen
-        """
-        (_, proto, extension, content) = IPA().del_header(data)
-        if content is not None:
-            self.dbg('IPA received %s::%s [%d/%d] %s' % (IPA().proto(proto), IPA().ext_name(proto, extension), len(data), len(content), content))
-            method = getattr(self, 'handle_' + IPA().proto(proto), lambda: "protocol dispatch failure")
-            method(content, proto, extension)
-
-    def dataReceived(self, data):
-        """
-        Override for dataReceived from Int16StringReceiver because of inherently incompatible interpretation of length
-        If default handler is used than we would always get off-by-1 error (Int16StringReceiver use equivalent of l + 2)
-        """
-        if len(data):
-            (head, tail) = IPA().split_combined(data)
-            self.process_chunk(head)
-            self.dataReceived(tail)
-
-    def connectionMade(self):
-        """
-        We have to resetDelay() here to drop internal state to default values to make reconnection logic work
-        Make sure to call this via super() if overriding to keep reconnection logic intact
-        """
-        addr = self.transport.getPeer()
-        self.dbg('IPA connected to %s:%d peer' % (addr.host, addr.port))
-        self.factory.resetDelay()
-
-
-class CCM(IPACommon):
-    """
-    Implementation of CCM protocol for IPA multiplex
-    """
-    def ack(self):
-        self.transport.write(IPA().id_ack())
-
-    def ping(self):
-        self.transport.write(IPA().ping())
-
-    def pong(self):
-        self.transport.write(IPA().pong())
-
-    def handle_CCM(self, data, proto, msgt):
-        """
-        CCM (IPA Connection Management)
-        Only basic logic necessary for tests is implemented (ping-pong, id ack etc)
-        """
-        if msgt == IPA.MSGT['ID_GET']:
-            self.transport.getHandle().sendall(IPA().id_resp(self.factory.ccm_id))
-            # if we call
-            # self.transport.write(IPA().id_resp(self.factory.test_id))
-            # instead, than we would have to also call
-            # reactor.callLater(1, self.ack)
-            # instead of self.ack()
-            # otherwise the writes will be glued together - hence the necessity for ugly hack with 1s timeout
-            # Note: this still might work depending on the IPA implementation details on the other side
-            self.ack()
-            # schedule PING in 4s
-            reactor.callLater(4, self.ping)
-        if msgt == IPA.MSGT['PING']:
-            self.pong()
-
-
-class CTRL(IPACommon):
-    """
-    Implementation of Osmocom control protocol for IPA multiplex
-    """
-    def ctrl_SET(self, data, op_id, v):
-        """
-        Handle CTRL SET command
-        """
-        self.dbg('CTRL SET [%s] %s' % (op_id, v))
-
-    def ctrl_SET_REPLY(self, data, op_id, v):
-        """
-        Handle CTRL SET reply
-        """
-        self.dbg('CTRL SET REPLY [%s] %s' % (op_id, v))
-
-    def ctrl_GET(self, data, op_id, v):
-        """
-        Handle CTRL GET command
-        """
-        self.dbg('CTRL GET [%s] %s' % (op_id, v))
-
-    def ctrl_GET_REPLY(self, data, op_id, v):
-        """
-        Handle CTRL GET reply
-        """
-        self.dbg('CTRL GET REPLY [%s] %s' % (op_id, v))
-
-    def ctrl_TRAP(self, data, op_id, v):
-        """
-        Handle CTRL TRAP command
-        """
-        self.dbg('CTRL TRAP [%s] %s' % (op_id, v))
-
-    def ctrl_ERROR(self, data, op_id, v):
-        """
-        Handle CTRL ERROR reply
-        """
-        self.dbg('CTRL ERROR [%s] %s' % (op_id, v))
-
-    def osmo_CTRL(self, data):
-        """
-        OSMO CTRL message dispatcher, lambda default should never happen
-        For basic tests only, appropriate handling routines should be replaced: see CtrlServer for example
-        """
-        self.dbg('OSMO CTRL received %s::%s' % Ctrl().parse(data.decode('utf-8')))
-        (cmd, op_id, v) = data.decode('utf-8').split(' ', 2)
-        method = getattr(self, 'ctrl_' + cmd, lambda: "CTRL unknown command")
-        method(data, op_id, v)
-
-
-class IPAServer(CCM):
-    """
-    Test implementation of IPA server
-    Demonstrate CCM opearation by overriding necessary bits from CCM
-    """
-    def connectionMade(self):
-        """
-        Keep reconnection logic working by calling routine from CCM
-        Initiate CCM upon connection
-        """
-        addr = self.transport.getPeer()
-        self.factory.log.info('IPA server: connection from %s:%d client' % (addr.host, addr.port))
-        super(IPAServer, self).connectionMade()
-        self.transport.write(IPA().id_get())
-
-
-class CtrlServer(CTRL):
-    """
-    Test implementation of CTRL server
-    Demonstarte CTRL handling by overriding simpler routines from CTRL
-    """
-    def connectionMade(self):
-        """
-        Keep reconnection logic working by calling routine from CTRL
-        Send TRAP upon connection
-        Note: we can't use sendString() because of it's incompatibility with IPA interpretation of length prefix
-        """
-        addr = self.transport.getPeer()
-        self.factory.log.info('CTRL server: connection from %s:%d client' % (addr.host, addr.port))
-        super(CtrlServer, self).connectionMade()
-        self.transport.write(Ctrl().trap('LOL', 'what'))
-        self.transport.write(Ctrl().trap('rulez', 'XXX'))
-
-    def reply(self, r):
-        self.transport.write(Ctrl().add_header(r))
-
-    def ctrl_SET(self, data, op_id, v):
-        """
-        CTRL SET command: always succeed
-        """
-        self.dbg('SET [%s] %s' % (op_id, v))
-        self.reply('SET_REPLY %s %s' % (op_id, v))
-
-    def ctrl_GET(self, data, op_id, v):
-        """
-        CTRL GET command: always fail
-        """
-        self.dbg('GET [%s] %s' % (op_id, v))
-        self.reply('ERROR %s No variable found' % op_id)
-
-
-class IPAFactory(ReconnectingClientFactory):
-    """
-    Generic IPA Client Factory which can be used to store state for various subprotocols and manage connections
-    Note: so far we do not really need separate Factory for acting as a server due to protocol simplicity
-    """
-    protocol = IPACommon
-    log = None
-    ccm_id = IPA().identity(unit=b'1515/0/1', mac=b'b0:0b:fa:ce:de:ad:be:ef', utype=b'sysmoBTS', name=b'StingRay', location=b'hell', sw=IPA.version.encode('utf-8'))
-
-    def __init__(self, proto=None, log=None, ccm_id=None):
-        if proto:
-            self.protocol = proto
-        if ccm_id:
-            self.ccm_id = ccm_id
-        if log:
-            self.log = log
-        else:
-            self.log = logging.getLogger('IPAFactory')
-            self.log.setLevel(logging.CRITICAL)
-            self.log.addHandler(logging.NullHandler)
-
-    def clientConnectionFailed(self, connector, reason):
-        """
-        Only necessary for as debugging aid - if we can somehow set parent's class noisy attribute then we can omit this method
-        """
-        self.log.warning('IPAFactory connection failed: %s' % reason.getErrorMessage())
-        ReconnectingClientFactory.clientConnectionFailed(self, connector, reason)
-
-    def clientConnectionLost(self, connector, reason):
-        """
-        Only necessary for as debugging aid - if we can somehow set parent's class noisy attribute then we can omit this method
-        """
-        self.log.warning('IPAFactory connection lost: %s' % reason.getErrorMessage())
-        ReconnectingClientFactory.clientConnectionLost(self, connector, reason)
-
-
-if __name__ == '__main__':
-    p = argparse.ArgumentParser("Twisted IPA (module v%s) app" % IPA.version)
-    p.add_argument('-v', '--version', action='version', version="%(prog)s v" + __version__)
-    p.add_argument('-p', '--port', type=int, default=4250, help="Port to use for CTRL interface")
-    p.add_argument('-d', '--host', default='localhost', help="Adress to use for CTRL interface")
-    cs = p.add_mutually_exclusive_group()
-    cs.add_argument("-c", "--client", action='store_true', help="asume client role")
-    cs.add_argument("-s", "--server", action='store_true', help="asume server role")
-    ic = p.add_mutually_exclusive_group()
-    ic.add_argument("--ipa", action='store_true', help="use IPA protocol")
-    ic.add_argument("--ctrl", action='store_true', help="use CTRL protocol")
-    args = p.parse_args()
-    test = False
-
-    log = logging.getLogger('TwistedIPA')
-    log.setLevel(logging.DEBUG)
-    log.addHandler(logging.StreamHandler(sys.stdout))
-
-    if args.ctrl:
-        if args.client:
-            # Start osmo-bsc to receive TRAP messages when osmo-bts-* connects to it
-            print('CTRL client, connecting to %s:%d' % (args.host, args.port))
-            reactor.connectTCP(args.host, args.port, IPAFactory(CTRL, log))
-            test = True
-        if args.server:
-            # Use bsc_control.py to issue set/get commands
-            print('CTRL server, listening on port %d' % args.port)
-            reactor.listenTCP(args.port, IPAFactory(CtrlServer, log))
-            test = True
-    if args.ipa:
-        if args.client:
-            # Start osmo-nitb which would initiate A-bis/IP session
-            print('IPA client, connecting to %s ports %d and %d' % (args.host, IPA.TCP_PORT_OML, IPA.TCP_PORT_RSL))
-            reactor.connectTCP(args.host, IPA.TCP_PORT_OML, IPAFactory(CCM, log))
-            reactor.connectTCP(args.host, IPA.TCP_PORT_RSL, IPAFactory(CCM, log))
-            test = True
-        if args.server:
-            # Start osmo-bts-* which would attempt to connect to us
-            print('IPA server, listening on ports %d and %d' % (IPA.TCP_PORT_OML, IPA.TCP_PORT_RSL))
-            reactor.listenTCP(IPA.TCP_PORT_RSL, IPAFactory(IPAServer, log))
-            reactor.listenTCP(IPA.TCP_PORT_OML, IPAFactory(IPAServer, log))
-            test = True
-    if test:
-        reactor.run()
-    else:
-        print("Please specify which protocol in which role you'd like to test.")