diff --git a/library/IPA_Emulation.ttcn b/library/IPA_Emulation.ttcn
index c8111e2..755cbba 100644
--- a/library/IPA_Emulation.ttcn
+++ b/library/IPA_Emulation.ttcn
@@ -53,11 +53,17 @@
 	RSL_Message	rsl
 };
 
-template ASP_RSL_Unitdata t_ASP_RSL_UD(IpaStreamId sid, template RSL_Message rsl) := {
+template ASP_RSL_Unitdata ts_ASP_RSL_UD(IpaStreamId sid, template RSL_Message rsl) := {
 	streamId := sid,
 	rsl := valueof(rsl)
 }
 
+template ASP_RSL_Unitdata tr_ASP_RSL_UD(IpaStreamId sid, template RSL_Message rsl) := {
+	streamId := sid,
+	rsl := rsl
+}
+
+
 template IpaStreamId t_IpaSidRSL := ( IPAC_PROTO_RSL_TRX0, IPAC_PROTO_RSL_TRX1,
 				      IPAC_PROTO_RSL_TRX2, IPAC_PROTO_RSL_TRX3 );