diff --git a/bsc/MSC_ConnectionHandler.ttcn b/bsc/MSC_ConnectionHandler.ttcn
index 44def3b..659ac36 100644
--- a/bsc/MSC_ConnectionHandler.ttcn
+++ b/bsc/MSC_ConnectionHandler.ttcn
@@ -348,14 +348,16 @@
 	OCT1		ra,
 	GsmFrameNumber	fn,
 	hexstring	imsi,
-	RslLinkId	link_id
+	RslLinkId	link_id,
+	BSSMAP_IE_SpeechCodecList ass_codec_list optional
 };
 
 template (value) TestHdlrParams t_def_TestHdlrPars := {
 	ra := '23'O,
 	fn := 23,
 	imsi := '001019876543210'H,
-	link_id := valueof(ts_RslLinkID_DCCH(0))
+	link_id := valueof(ts_RslLinkID_DCCH(0)),
+	ass_codec_list := omit
 }
 
 function f_create_chan_and_exp() runs on MSC_ConnHdlr {