diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index 3b49afc..e8e3ae3 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -2311,7 +2311,7 @@
 		f_init(ep);
 
 		/* Connection #0 (Bidirectional) */
-		flow[0] := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 112, "AMR/8000"));
+		flow[0] := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 96, "AMR/8000"));
 		/* bind local RTP emulation sockets */
 		flow[0].em.portnr := 10000;
 		flow[0].rtp_cfg := c_RtpemDefaultCfg;