diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index 1799508..a8d9022 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -1565,6 +1565,24 @@
 	vc_conn.done;
 }
 
+/* Test MO Call SETUP with DTMF */
+private function f_tc_mo_setup_dtmf_dup(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr {
+	f_init_handler(pars);
+	var CallParameters cpars := valueof(t_CallParams('12345'H, 0));
+	cpars.bss_rtp_port := 1110;
+	cpars.mgcp_connection_id_bss := '22222'H;
+	cpars.mgcp_connection_id_mss := '33333'H;
+
+	f_perform_lu(true);
+	f_mo_seq_dtmf_dup(cpars);
+}
+testcase TC_mo_setup_and_dtmf_dup() runs on MTC_CT {
+	var BSC_ConnHdlr vc_conn;
+	f_init();
+
+	vc_conn := f_start_handler(refers(f_tc_mo_setup_dtmf_dup), testcasename(), 39);
+	vc_conn.done;
+}
 
 
 
@@ -1614,6 +1632,7 @@
 	execute( TC_mo_crcx_ran_timeout() );
 	execute( TC_mo_crcx_ran_reject() );
 	execute( TC_mt_crcx_ran_reject() );
+	execute( TC_mo_setup_and_dtmf_dup() );
 	//execute( TC_mt_t310() );
 	execute( TC_gsup_cancel() );
 	execute( TC_lu_imsi_auth_tmsi_encr_1_13() );