diff --git a/library/IPA_Types.ttcn b/library/IPA_Types.ttcn
index 517ca47..5522e87 100644
--- a/library/IPA_Types.ttcn
+++ b/library/IPA_Types.ttcn
@@ -49,6 +49,13 @@
 	variant (streamIdExt) "PRESENCE(streamId=IPAC_PROTO_OSMO)";
 }
 
+template PDU_IPA ts_PDU_IPA(IpaStreamId id, template octetstring payload) := {
+	lengthInd := 0,
+	streamId := id,
+	streamIdExt := omit,
+	payloadData := valueof(payload)
+}
+
 
 type enumerated IpaCcmMsgtype {
 	IPAC_MSGT_PING		('00'H),