diff --git a/library/MGCP_Templates.ttcn b/library/MGCP_Templates.ttcn
index 8b9aae9..1dacf3a 100644
--- a/library/MGCP_Templates.ttcn
+++ b/library/MGCP_Templates.ttcn
@@ -64,6 +64,12 @@
 		sdp := sdp
 	}
 
+	template MgcpCommand tr_CRCX := {
+		line := t_MgcpCmdLine("CRCX", ?, ?),
+		params := *,
+		sdp := *
+	}
+
 	template MgcpResponse tr_CRCX_ACK := {
 		line := {
 			code := "200",
@@ -74,6 +80,16 @@
 		sdp := ?
 	}
 
+	template MgcpResponse ts_CRCX_ACK(MgcpTransId trans_id, MgcpConnectionId conn_id, template SDP_Message sdp := omit) := {
+		line := {
+			code := "200",
+			trans_id := trans_id,
+			string := "OK"
+		},
+		params:= { ts_MgcpParConnectionId(conn_id) },
+		sdp := sdp
+	}
+
 	template MgcpCommand ts_MDCX(MgcpTransId trans_id, charstring ep, MgcpConnectionMode mode, MgcpCallId call_id, MgcpConnectionId conn_id, template SDP_Message sdp := omit) := {
 		line := t_MgcpCmdLine("MDCX", trans_id, ep),
 		params := {
@@ -86,6 +102,14 @@
 		sdp := sdp
 	}
 
+	template MgcpCommand tr_MDCX := {
+		line := t_MgcpCmdLine("MDCX", ?, ?),
+		params := *,
+		sdp := *
+	}
+
+	template MgcpResponse ts_MDCX_ACK(MgcpTransId trans_id, MgcpConnectionId conn_id, template SDP_Message sdp := omit) := ts_CRCX_ACK(trans_id, conn_id, sdp);
+
 	/* have a function that generates a template, rather than a template in order to handle
 	 * optional parameters */
 	function ts_DLCX(MgcpTransId trans_id, charstring ep, template MgcpCallId call_id := omit,
@@ -103,6 +127,12 @@
 		return cmd;
 	}
 
+	template MgcpCommand tr_DLCX := {
+		line := t_MgcpCmdLine("DLCX", ?, ?),
+		params := *,
+		sdp := *
+	}
+
 	template MgcpResponse tr_DLCX_ACK := {
 		line := {
 			code := "200",
@@ -113,6 +143,8 @@
 		sdp := *
 	}
 
+	template MgcpResponse ts_DLCX_ACK(MgcpTransId trans_id, MgcpConnectionId conn_id, template SDP_Message sdp := omit) := ts_CRCX_ACK(trans_id, conn_id, sdp);
+
 	/* SDP Templates */
 	template SDP_Origin ts_SDP_origin(charstring addr, charstring session_id,
 					  charstring session_version := "1",