diff --git a/library/RSL_Emulation.ttcn b/library/RSL_Emulation.ttcn
index 5c7dc9cf0..bf6686a24 100644
--- a/library/RSL_Emulation.ttcn
+++ b/library/RSL_Emulation.ttcn
@@ -53,7 +53,7 @@ type port RSL_DCHAN_PT message {
 } with { extension "internal" };
 
 type port RSL_CCHAN_PT message {
-	inout ASP_RSL_Unitdata;
+	inout ASP_RSL_Unitdata, ASP_IPA_Event;
 } with { extension "internal" };
 
 
@@ -277,6 +277,7 @@ private function f_streamId_by_trx(uint8_t trx_nr) return IpaStreamId {
 
 
 function main(boolean bts_role := true) runs on RSL_Emulation_CT {
+	var ASP_IPA_Event evt;
 	var ASP_RSL_Unitdata rx_rsl;
 	var RSL_Message rx_rsl_msg;
 	var RSLDC_ChanRqd chan_rqd;
@@ -292,7 +293,10 @@ function main(boolean bts_role := true) runs on RSL_Emulation_CT {
 
 	while (true) {
 		alt {
-		[] IPA_PT.receive(ASP_IPA_Event:{up_down := ASP_IPA_EVENT_UP}) {
+		[bts_role] IPA_PT.receive(ASP_IPA_Event:{up_down := ASP_IPA_EVENT_UP}) {
+			}
+		[not bts_role] IPA_PT.receive(ASP_IPA_Event:{up_down := ASP_IPA_EVENT_UP}) -> value evt {
+			CCHAN_PT.send(evt);
 			}
 		[bts_role] IPA_PT.receive(ASP_IPA_Event:{up_down := ASP_IPA_EVENT_ID_ACK}) {
 			IPA_PT.send(ts_ASP_RSL_UD(IPAC_PROTO_RSL_TRX0,ts_RSL_PAGING_LOAD_IND(23)));