Hi, I suppose you mean setting dchan=16 & bchan=1-15,17-31 as i dont see any signalling parameter that the configuration file system.conf asks me to put there on that file Thnks Sriram -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-ss7/attachments/20080913/746821c8/attachment.htm