diff --git a/library/MGCP_Templates.ttcn b/library/MGCP_Templates.ttcn
index e5a05bc..3a5f139 100644
--- a/library/MGCP_Templates.ttcn
+++ b/library/MGCP_Templates.ttcn
@@ -94,6 +94,22 @@
 		ver := "1.0"
 	};
 
+	template MgcpCommand ts_AUEP(MgcpTransId trans_id, charstring ep) := {
+		line := t_MgcpCmdLine("AUEP", trans_id, ep),
+		params := omit,
+		sdp := omit
+	}
+
+	template MgcpResponse tr_AUEP_ACK := {
+		line := {
+			code := "200",
+			trans_id := ?,
+			string := "OK"
+		},
+		params:= *,
+		sdp := omit
+	}
+
 	template MgcpCommand ts_CRCX(MgcpTransId trans_id, charstring ep, MgcpConnectionMode mode, MgcpCallId call_id, template SDP_Message sdp := omit) := {
 		line := t_MgcpCmdLine("CRCX", trans_id, ep),
 		params := {
diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index 0759006..7d01b97 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -686,6 +686,18 @@
 		}
 	}
 
+	/* Send an AuditEndpoint message to the MGW */
+	function f_auep(charstring ep_prefix) runs on dummy_CT {
+		var MgcpEndpoint ep := ep_prefix & "@" & c_mgw_domain;
+		var template MgcpCommand cmd;
+		var MgcpResponse resp;
+
+		f_init(ep);
+
+		cmd := ts_AUEP(get_next_trans_id(), ep);
+		resp := mgcp_transceive_mgw(cmd, tr_AUEP_ACK);
+	}
+
 	function f_crcx(charstring ep_prefix) runs on dummy_CT {
 		var MgcpEndpoint ep := ep_prefix & "2@" & c_mgw_domain;
 		var template MgcpCommand cmd;
@@ -771,6 +783,12 @@
 		f_dlcx_ok(ep, call_id);
 	}
 
+	/* test valid AUEP towards "null" endpoint */
+	testcase TC_auep_null() runs on dummy_CT {
+		f_auep("null");
+		setverdict(pass);
+	}
+
 	/* test valid CRCX without SDP */
 	testcase TC_crcx() runs on dummy_CT {
 		f_crcx(c_mgw_ep_rtpbridge);
@@ -3010,6 +3028,7 @@
 
 	control {
 		execute(TC_selftest());
+		execute(TC_auep_null());
 		execute(TC_crcx());
 		execute(TC_crcx_no_lco());
 		execute(TC_crcx_noprefix());
diff --git a/mgw/expected-results.xml b/mgw/expected-results.xml
index 577b6e3..a4ce388 100644
--- a/mgw/expected-results.xml
+++ b/mgw/expected-results.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0"?>
 <testsuite name='Titan' tests='71' failures='8' errors='0' skipped='0' inconc='0' time='MASKED'>
   <testcase classname='MGCP_Test' name='TC_selftest' time='MASKED'/>
+  <testcase classname='MGCP_Test' name='TC_auep_null' time='MASKED'/>
   <testcase classname='MGCP_Test' name='TC_crcx' time='MASKED'/>
   <testcase classname='MGCP_Test' name='TC_crcx_no_lco' time='MASKED'/>
   <testcase classname='MGCP_Test' name='TC_crcx_noprefix' time='MASKED'/>