mgw: Test for duplicate transmission of DLCX
diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index d13fad3..1e037f0 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -705,6 +705,34 @@
 
 
 	/* TODO: Double-DLCX (retransmission) */
+	testcase TC_crcx_and_dlcx_retrans() runs on dummy_CT {
+		var template MgcpCommand cmd;
+		var MgcpResponse resp;
+		var MgcpEndpoint ep := "5@mgw";
+		var MgcpCallId call_id := '51229'H;
+		var template MgcpResponse rtmpl := {
+			line := {
+				code := "200",
+				string := "OK"
+			},
+			params:= { },
+			sdp := omit
+		};
+
+		f_init(ep);
+
+		cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id);
+		resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK);
+
+		cmd := ts_DLCX(get_next_trans_id(), ep, call_id);
+		resp := mgcp_transceive_mgw(cmd, rtmpl);
+		resp := mgcp_transceive_mgw(cmd, rtmpl);
+
+		setverdict(pass);
+	}
+
+
+
 	/* TODO: Double-DLCX (no retransmission) */
 
 
@@ -734,5 +762,6 @@
 		execute(TC_crcx_and_dlcx_ep());
 		execute(TC_crcx_and_dlcx_ep_callid_inval());
 		execute(TC_crcx_and_dlcx_ep_callid_connid_inval());
+		execute(TC_crcx_and_dlcx_retrans());
 	}
 }