mgw: Check for 535 in case of invalid packetization period
diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index 1e037f0..b2a37bc 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -516,7 +516,7 @@
 		var MgcpResponse resp;
 		var MgcpEndpoint ep := "2@mgw";
 		var MgcpCallId call_id := '1228'H;
-		var template MgcpResponse rtmpl := tr_MgcpResp_Err("532");
+		var template MgcpResponse rtmpl := tr_MgcpResp_Err("535");
 
 		f_init(ep);