diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index b530db2..4c88788 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -526,15 +526,6 @@
 	f_assignment_exp(ass_cmd, exp_fail, "BSC accepted Assignment for Speech+CTM");
 }
 
-testcase TC_assignment_sign() runs on test_CT {
-	var template PDU_BSSAP exp_compl := tr_BSSMAP_AssignmentComplete(omit, omit);
-	var BSSMAP_IE_AoIP_TransportLayerAddress tla := valueof(ts_BSSMAP_IE_AoIP_TLA4('01020304'O, 2342));
-	var PDU_BSSAP ass_cmd := valueof(ts_BSSMAP_AssignmentReq(omit, tla));
-
-	ass_cmd.pdu.bssmap.assignmentRequest.channelType := valueof(ts_BSSMAP_IE_ChannelTypeSIGNAL);
-	f_assignment_exp(ass_cmd, exp_compl, "BSC failed SIGNALLING assignment");
-}
-
 type record DchanTuple {
 	integer sccp_conn_id,
 	RslChannelNr rsl_chan_nr
@@ -1371,6 +1362,25 @@
 }
 
 
+private function f_tc_assignment_sign(charstring id) runs on MSC_ConnHdlr {
+	var TestHdlrParams pars := valueof(t_def_TestHdlrPars);
+	var template PDU_BSSAP exp_compl := tr_BSSMAP_AssignmentComplete(omit, omit);
+	var PDU_BSSAP ass_cmd := valueof(ts_BSSMAP_AssignmentReq(omit, omit));
+
+	ass_cmd.pdu.bssmap.assignmentRequest.channelType := valueof(ts_BSSMAP_IE_ChannelTypeSIGNAL);
+	f_establish_fully(pars, ass_cmd, exp_compl);
+}
+
+testcase TC_assignment_sign() runs on test_CT {
+	var MSC_ConnHdlr vc_conn;
+
+	f_init(1, true);
+	f_sleep(1.0);
+
+	vc_conn := f_start_handler(refers(f_tc_assignment_sign), testcasename());
+	vc_conn.done;
+}
+
 
 
 control {