diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index 7568ac9..b7d6b46 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -15,6 +15,7 @@
 	import from MGCP_Types all;
 	import from MGCP_Templates all;
 	import from SDP_Types all;
+	import from SDP_Templates all;
 	import from MGCP_CodecPort all;
 	import from MGCP_CodecPort_CtrlFunct all;
 	import from RTP_CodecPort all;