diff --git a/bts/BTS_Tests_OML.ttcn b/bts/BTS_Tests_OML.ttcn
index 396ed38..6770dab 100644
--- a/bts/BTS_Tests_OML.ttcn
+++ b/bts/BTS_Tests_OML.ttcn
@@ -589,6 +589,30 @@
 	}
 }
 
+/* Make sure that the IUT sends RSL Connect NACK when the remote is not reachable. */
+testcase TC_ipa_rsl_connect_nack() runs on BSC_OML_CT {
+	timer T := 2.0;
+
+	f_init_oml(testcasename());
+
+	/* Most likely, nobody is listening to this port */
+	OML.send(ts_OML_IPA_RslConnect(0, 65535));
+
+	T.start;
+	alt {
+	[] OML.receive(tr_OML_IPA_MsgType(NM_MT_IPACC_RSL_CONNECT_NACK)) {
+		setverdict(pass);
+		}
+	[] OML.receive(tr_OML_IPA_MsgType(NM_MT_IPACC_RSL_CONNECT_ACK)) {
+		setverdict(fail, "RSL Connect ACK is not expected");
+		}
+	[] OML.receive { repeat; }
+	[] T.timeout {
+		setverdict(fail, "Timeout waiting for RSL Connect NACK");
+		}
+	}
+}
+
 
 control {
 	execute( TC_wrong_mdisc() );
@@ -606,6 +630,7 @@
 	execute( TC_ts_opstart() );
 	execute( TC_ts_opstart_noattr() );
 	execute( TC_initial_state_reports() );
+	execute( TC_ipa_rsl_connect_nack() );
 }
 
 /* BTS: