I am sorry, but it is very confusing. Can you please tell me working versions of asterisk, libss7, dahdi. Might re-install these. 'or' From this site https://issues.asterisk.org/view.php?id=13495 which patch should I try. Also, if you can tell me how to put this patch as I have never implemented before. I can try patch first if it makes this work. Thanks, Deepika -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-ss7/attachments/20100520/10b134fd/attachment-0001.htm