diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index 0490901..8fc212c 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -324,6 +324,10 @@
 		f_vty_config(MSCVTY, "msc", "osmux off");
 	}
 
+	/* Configure the MGCP timeout so that a failure to set up all RTP streams triggers within the time that we keep
+	 * an otherwise established call open. */
+	f_vty_config(MSCVTY, "msc", "timer mgw X2 3");
+
 	for (var integer i := 0; i < num_bsc; i := i + 1) {
 		if (isbound(mp_bssap_cfg[i])) {
 			var RanOps ranops := BSC_RanOps;