use our new lookup table

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@381 a93c3328-9c30-0410-af19-c9cd2b2d52af

libs/freetdm/src/zap_isdn.c

@@ -70,17 +70,11 @@ static L3INT zap_isdn_931_34(void *pvt, L2UCHAR *msg, L2INT mlen)
 	int chan_id = 0;
 	zap_channel_t *zchan = NULL;
 	
-	if (Q931IsIEPresent(gen->ChanID)) {
-		Q931ie_ChanID *chanid = Q931GetIEPtr(gen->ChanID, gen->buf);
-		chan_id = chanid->ChanSlot;
-		zchan = &span->channels[chan_id];
+	if (gen->CRVFlag) {
+		zchan = span->channels_local_crv[gen->CRV];
 	} else {
-		if (gen->CRVFlag) {
-			zchan = span->channels_local_crv[gen->CRV];
-		} else {
-			zchan = span->channels_remote_crv[gen->CRV];
-		}
-	}   
+		zchan = span->channels_remote_crv[gen->CRV];
+	}
 
 	assert(span != NULL);
 	assert(isdn_data != NULL);