diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index 0152db8..d7730c3 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -304,18 +304,17 @@
 	}
 
 	/* CRCX test ideas:
-	 * - without mandatory CallId
-	 * - without mandatory ConnectionId
+	 * x without mandatory CallId
 	 * - with forbidden parameters (e.g. Capabilities, PackageList, ...
 	 * - CRCX with remote session description and without
 	 *
 	 * general ideas:
-	 * - packetization != 20ms
-	 * - invalid mode
+	 * x packetization != 20ms
+	 * x invalid mode
 	 * x unsupported mode (517)
 	 * x bidirectional mode before RemoteConnDesc: 527
 	 * - invalid codec
-	 * - retransmission of same transaction
+	 * x retransmission of same transaction
 	 * - unsupported LocalConnectionOptions ("b", "a", "e", "gc", "s", "r", "k", ..)
 	 */