diff --git a/suites/debug/interactive.py b/suites/debug/interactive.py
new file mode 100755
index 0000000..ff5da30
--- /dev/null
+++ b/suites/debug/interactive.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+from osmo_gsm_tester.test import *
+
+print('use resources...')
+nitb = suite.nitb()
+bts = suite.bts()
+modems = suite.modems(int(prompt('How many modems?')))
+
+print('start nitb and bts...')
+nitb.bts_add(bts)
+nitb.start()
+bts.start()
+
+for m in modems:
+  nitb.subscriber_add(m)
+  m.connect(nitb)
+
+while True:
+  cmd = prompt('Enter command: (q)uit (s)ms (g)et-registered (w)ait-registered')
+  cmd = cmd.strip().lower()
+
+  if not cmd:
+    continue
+  if 'quit'.startswith(cmd):
+    break
+  elif 'wait-registered'.startswith(cmd):
+    wait(nitb.subscriber_attached, *modems)
+  elif 'get-registered'.startswith(cmd):
+    print(nitb.imsi_list_attached())
+    print('RESULT: %s' %
+       ('All modems are registered.' if nitb.subscriber_attached(*modems)
+        else 'Some modem(s) not registered yet.'))
+  elif 'sms'.startswith(cmd):
+    for mo in modems:
+      for mt in modems:
+        mo.sms_send(mt.msisdn, 'to ' + mt.name())