diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 076476f..7912ff6 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -35,6 +35,8 @@
 import from Osmocom_VTY_Functions all;
 import from TELNETasp_PortType all;
 
+friend module BTS_Tests_SMSCB;
+
 /* The tests assume a BTS with the following timeslot configuration:
  * TS0 : Combined CCCH + SDCCH/4
  * TS1 : TCH/F
@@ -254,13 +256,13 @@
 	f_rsl_bcch_fill_raw(rsl_si_type, si_enc);
 }
 
-private function f_init_vty(charstring id) runs on test_CT {
+friend function f_init_vty(charstring id) runs on test_CT {
 	map(self:BTSVTY, system:BTSVTY);
 	f_vty_set_prompts(BTSVTY);
 	f_vty_transceive(BTSVTY, "enable");
 }
 
-private function f_init_vty_bsc() runs on test_CT {
+friend function f_init_vty_bsc() runs on test_CT {
 	map(self:BSCVTY, system:BSCVTY);
 	f_vty_set_prompts(BSCVTY, "OsmoBSC");
 	f_vty_transceive(BSCVTY, "enable");
@@ -418,7 +420,7 @@
 	}
 }
 
-private function f_l1_tune(L1CTL_PT L1CTL) {
+friend function f_l1_tune(L1CTL_PT L1CTL) {
 	f_L1CTL_FBSB(L1CTL, { false, mp_trx0_arfcn }, CCCH_MODE_COMBINED, mp_rxlev_exp);
 }
 
@@ -4571,9 +4573,6 @@
 /*	receptiom of SABM in multi-frame established state */
 
 
-
-
-
 /* TODO Areas:
 
 * channel activation