as_handover: fix for signalling channel, without MGCP

Change-Id: I276f82841c07f8a885ee0659002d4a41e5b180e4
diff --git a/bsc/MSC_ConnectionHandler.ttcn b/bsc/MSC_ConnectionHandler.ttcn
index 3e58f5a..5460e2c 100644
--- a/bsc/MSC_ConnectionHandler.ttcn
+++ b/bsc/MSC_ConnectionHandler.ttcn
@@ -1323,9 +1323,11 @@
 		 * time. When we receive the RSL_RF_CHAN_REL command the media negotiation on
 		 * IPACC or MGCP level may be still in progress. In order to make sure that
 		 * we do only stop when we have seen an MDCX on MGCP level and another a CRCX
-		 * as well as an MDCX on IPACC level. */
-		if (g_media.mgcp_conn[0].mdcx_seen <= st.mdcx_seen_before_ho or
-		    g_media.bts1.ipa_mdcx_seen == false or g_media.bts1.ipa_crcx_seen == false) {
+		 * as well as an MDCX on IPACC level.
+		 * If ipa_crcx_seen is false, this is not a voice channel and we need not check MGCP at all.. */
+		if (g_media.bts.ipa_crcx_seen
+		    and (g_media.mgcp_conn[0].mdcx_seen <= st.mdcx_seen_before_ho or
+		         g_media.bts1.ipa_mdcx_seen == false or g_media.bts1.ipa_crcx_seen == false)) {
 			repeat;
 		} else {
 			st.handover_done := true;