diff --git a/msc/BSC_ConnectionHandler.ttcn b/msc/BSC_ConnectionHandler.ttcn
index 8e5c5f2..0b2344f 100644
--- a/msc/BSC_ConnectionHandler.ttcn
+++ b/msc/BSC_ConnectionHandler.ttcn
@@ -469,6 +469,15 @@
 					hex2str(cpars.called_party), hex2str(g_pars.imsi)));
 }
 
+private template (value) SDP_Message ts_SDP_CRCX_CN(CallParameters cpars) :=
+	ts_SDP(cpars.mgw_rtp_ip_mss, cpars.mgw_rtp_ip_mss,
+		hex2str(cpars.mgcp_call_id), "42",
+		cpars.mgw_rtp_port_mss,
+		{ int2str(cpars.rtp_payload_type) },
+		{ valueof(ts_SDP_rtpmap(cpars.rtp_payload_type,
+		  cpars.rtp_sdp_format)),
+		  valueof(ts_SDP_ptime(20)) });
+
 /* Complete call, begin with a paging response message via BSSAP */
 function f_mt_call_complete(inout CallParameters cpars)
 runs on BSC_ConnHdlr {
@@ -521,13 +530,7 @@
 	interleave {
 	/* Second MGCP CRCX (this time for MSS/CN side) */
 	[] MGCP.receive(tr_CRCX(cpars.mgcp_ep)) -> value mgcp_cmd {
-		var SDP_Message sdp := valueof(ts_SDP(cpars.mgw_rtp_ip_mss, cpars.mgw_rtp_ip_mss,
-							hex2str(cpars.mgcp_call_id), "42",
-							cpars.mgw_rtp_port_mss,
-							{ int2str(cpars.rtp_payload_type) },
-							{ valueof(ts_SDP_rtpmap(cpars.rtp_payload_type,
-										cpars.rtp_sdp_format)),
-							  valueof(ts_SDP_ptime(20)) }));
+		var SDP_Message sdp := valueof(ts_SDP_CRCX_CN(cpars));
 		MGCP.send(ts_CRCX_ACK(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_mss, sdp));
 		/* MSC acknowledges the MNCC_CREATE to the MNCC handler */
 		MNCC.receive(tr_MNCC_RTP_CREATE(cpars.mncc_callref));
@@ -626,13 +629,7 @@
 	interleave {
 	/* Second MGCP CRCX (this time for MSS/CN side) */
 	[] MGCP.receive(tr_CRCX(cpars.mgcp_ep)) -> value mgcp_cmd {
-		var SDP_Message sdp := valueof(ts_SDP(cpars.mgw_rtp_ip_mss, cpars.mgw_rtp_ip_mss,
-							hex2str(cpars.mgcp_call_id), "42",
-							cpars.mgw_rtp_port_mss,
-							{ int2str(cpars.rtp_payload_type) },
-							{ valueof(ts_SDP_rtpmap(cpars.rtp_payload_type,
-										cpars.rtp_sdp_format)),
-							  valueof(ts_SDP_ptime(20)) }));
+		var SDP_Message sdp := valueof(ts_SDP_CRCX_CN(cpars));
 		MGCP.send(ts_CRCX_ACK(mgcp_cmd.line.trans_id, cpars.mgcp_connection_id_mss, sdp));
 
 		/* Alerting */