diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index 6990679..3aa7926 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -1026,6 +1026,27 @@
 		setverdict(pass);
 	}
 
+	/* DLCX to non existing endpoint */
+	testcase TC_dlcx_non_existant_ep() runs on dummy_CT {
+		var template MgcpCommand cmd;
+		var MgcpResponse resp;
+		var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "AA@" & c_mgw_domain;
+		var template MgcpResponse rtmpl := {
+			line := {
+				code := ("500"),
+				string := ?
+			},
+			params:= { },
+			sdp := omit
+		};
+
+		f_init(ep);
+
+		cmd := ts_DLCX(get_next_trans_id(), ep, '41234'H);
+		resp := mgcp_transceive_mgw(cmd, rtmpl);
+		setverdict(pass);
+	}
+
 	/* test valid wildcarded MDCX */
 	testcase TC_mdcx_wildcarded() runs on dummy_CT {
 		 /* Note: A wildcarded MDCX is not allowed, so we expect the
@@ -2459,6 +2480,7 @@
 		execute(TC_crcx_wildcarded_exhaust());
 		execute(TC_mdcx_without_crcx());
 		execute(TC_dlcx_without_crcx());
+		execute(TC_dlcx_non_existant_ep());
 		execute(TC_mdcx_wildcarded());
 		execute(TC_dlcx_wildcarded());
 		execute(TC_crcx_and_dlcx_ep_callid_connid());