diff --git a/library/MNCC_Types.ttcn b/library/MNCC_Types.ttcn
index 884a7c0..258db3f 100644
--- a/library/MNCC_Types.ttcn
+++ b/library/MNCC_Types.ttcn
@@ -665,10 +665,10 @@
 	}
 }
 
-/* MT: MSC <- MNCC: CALL_CONF.req; send CALL CONFIRMED to MS */
-template MNCC_PDU ts_MNCC_CALL_CONF_req(uint32_t call_id, template MNCC_bearer_cap bcap := omit,
-					template MNCC_cause cause := omit,
-					template MNCC_cccap cccap := omit) := {
+/* MT: MSC -> MNCC: CALL_CONF.req; send CALL CONFIRMED to MS */
+template MNCC_PDU tr_MNCC_CALL_CONF_ind(template uint32_t call_id, template MNCC_bearer_cap bcap := *,
+					template MNCC_cause cause := *,
+					template MNCC_cccap cccap := *) := {
 	msg_type := MNCC_CALL_CONF_IND,
 	u := {
 		signal := {	/* See 24.008 9.3.2 */
@@ -691,9 +691,9 @@
 			more := 0,
 			notify := 0,
 			emergency := omit,
-			imsi := "",
-			lchan_type := 0,
-			lchan_mode := 0
+			imsi := ?,
+			lchan_type := ?,
+			lchan_mode := ?
 		}
 	}
 }