diff --git a/sccp/SCCP_Tests_RAW.ttcn b/sccp/SCCP_Tests_RAW.ttcn
index 03ef4af43..6acb4c7c5 100644
--- a/sccp/SCCP_Tests_RAW.ttcn
+++ b/sccp/SCCP_Tests_RAW.ttcn
@@ -161,6 +161,22 @@ testcase TC_cr_cc() runs on SCCP_Test_RAW_CT {
 	f_establish_conn(calling, called);
 }
 
+/* Verify sccp_demo_user answers a CR with a CC for PC and SSN set up to echo back */
+testcase TC_udt_without_cr_cc() runs on SCCP_Test_RAW_CT {
+	var SCCP_PAR_Address calling, called;
+	var octetstring data := f_rnd_octstring(f_rnd_int(100));
+
+	f_init_raw(mp_sccp_cfg[0]);
+	f_sleep(1.0);
+
+	called := valueof(ts_SccpAddr_PC_SSN(mp_sccp_cfg[0].peer_pc, mp_sccp_cfg[0].peer_ssn,
+					     mp_sccp_cfg[0].sio, mp_sccp_cfg[0].sccp_service_type));
+	calling := valueof(ts_SccpAddr_PC_SSN(mp_sccp_cfg[0].own_pc, mp_sccp_cfg[0].own_ssn,
+					     mp_sccp_cfg[0].sio, mp_sccp_cfg[0].sccp_service_type));
+
+	f_tx_udt_exp(calling, called, data);
+}
+
 /* Verify T(iar) triggers and releases the channel */
 testcase TC_tiar_timeout() runs on SCCP_Test_RAW_CT {
 	var SCCP_PAR_Address calling, called;
@@ -193,6 +209,7 @@ testcase TC_tiar_timeout() runs on SCCP_Test_RAW_CT {
 
 control {
 	execute( TC_cr_cc() );
+	execute( TC_udt_without_cr_cc() );
 	execute( TC_tiar_timeout() );
 }