diff --git a/library/IPA_Emulation.ttcnpp b/library/IPA_Emulation.ttcnpp
index be64dd1..41a3968 100644
--- a/library/IPA_Emulation.ttcnpp
+++ b/library/IPA_Emulation.ttcnpp
@@ -201,6 +201,10 @@
 	var IPL4asp_Types.Result res;
 	res := IPA_CodecPort_CtrlFunct.f_IPL4_connect(IPA_PORT, remote_host, remote_port,
 						local_host, local_port, 0, { tcp:={} });
+	if (not ispresent(res.connId)) {
+		setverdict(fail, "Could not connect IPA socket, check your configuration");
+		self.stop;
+	}
 	g_ipa_conn_id := res.connId;
 	g_ccm_pars := ccm_pars;
 	g_is_bsc_mgw := true;
@@ -212,6 +216,10 @@
 	var IPL4asp_Types.Result res;
 	res := IPA_CodecPort_CtrlFunct.f_IPL4_listen(IPA_PORT, 
 						local_host, local_port, { tcp:={} });
+	if (not ispresent(res.connId)) {
+		setverdict(fail, "Could not listen IPA socket, check your configuration");
+		self.stop;
+	}
 	g_ipa_conn_id := res.connId;
 	g_ccm_pars := ccm_pars;
 	g_is_bsc_mgw := false;