diff --git a/bsc/MSC_Simulation.ttcn b/bsc/MSC_Simulation.ttcn
new file mode 100644
index 0000000..f9fb0d4
--- /dev/null
+++ b/bsc/MSC_Simulation.ttcn
@@ -0,0 +1,78 @@
+module MSC_Simulation {
+
+import from IPL4asp_Types all;
+
+import from IPA_Emulation all;
+
+import from SCCP_Types all;
+import from SCCPasp_Types all;
+import from SCCP_Emulation all;
+
+/* 
+import from MobileL3_Types all;
+import from MobileL3_CommonIE_Types all;
+import from L3_Templates all;
+
+import from BSSAP_Types all;
+import from BSSMAP_Templates all;
+*/
+import from BSSMAP_Emulation all;
+
+import from MGCP_Adapter all;
+
+import from MSC_ConnectionHandler all;
+
+type component MSC_CT {
+	/* component references */
+	var IPA_Emulation_CT vc_IPA;
+	var SCCP_CT vc_SCCP;
+	var BSSMAP_Emulation_CT vc_BSSMAP;
+	var MGCP_Adapter_CT vc_MGCP_UDP;
+	/* test port to SCCP emulation */
+	port SCCPasp_PT SCCP;
+}
+
+modulepar {
+	boolean mp_mgcp_uses_udp := false;
+}
+
+function main(charstring local_ip, PortNumber local_port,
+	      MSC_SCCP_MTP3_parameters sccp_pars,
+	      SCCP_PAR_Address sccp_addr_own, charstring id) runs on MSC_CT
+{
+	/* create components */
+	vc_IPA := IPA_Emulation_CT.create(id & "-IPA");
+	vc_SCCP := SCCP_CT.create(id & "-SCCP");
+	vc_BSSMAP := BSSMAP_Emulation_CT.create(id & "-BSSMAP");
+
+	map(vc_IPA:IPA_PORT, system:IPA_CODEC_PT);
+
+	/* connect MTP3 service provider (IPA) to lower side of SCCP */
+	connect(vc_IPA:MTP3_SP_PORT, vc_SCCP:MTP3_SCCP_PORT);
+
+	/* connect BSSNAP dispatcher to upper side of SCCP */
+	connect(vc_BSSMAP:SCCP, vc_SCCP:SCCP_SP_PORT);
+
+	if (mp_mgcp_uses_udp == false) {
+		/* connect BSSMAP dispatcher to IPA_Emulation MGCP */
+		connect(vc_BSSMAP:MGCP, vc_IPA:IPA_MGCP_PORT);
+	} else {
+		vc_MGCP_UDP := MGCP_Adapter_CT.create(id & "-MGCP_UDP");
+		connect(vc_BSSMAP:MGCP, vc_MGCP_UDP:MGCP);
+		vc_MGCP_UDP.start(MGCP_Adapter.main());
+	}
+
+	vc_IPA.start(IPA_Emulation.main_server(local_ip, local_port));
+	vc_SCCP.start(SCCPStart(sccp_pars));
+	vc_BSSMAP.start(BSSMAP_Emulation.main(MSC_BssmapOps, id & "-BSSMAP"));
+
+	/* wait until termination of respective components */
+	vc_IPA.done;
+	vc_BSSMAP.done;
+	vc_SCCP.done;
+	if (mp_mgcp_uses_udp) {
+		vc_MGCP_UDP.done;
+	}
+}
+
+}