Thanks ! now chan_dahdi.so was seen under the modules of asterisk..but another prob :( whenver i get to asterisk CLI and give the module load chan_dahdi.so ...it exits with the following error : Unable to load chan_dahdi.so , command 'module load chan_dahdi.so' failed...the debug msg shows : [sep 14 03:52:06] WARNING[30185]:chan_dahdi.c:4290 handle_alarms:Detected alarm on channel 1:Red Alarm --registered channel 1, ss7 signalling i see this till channel 15 after which it exits saying cant set sigchan on channel 16....the operator is still doing some chnages at his end but i just want to confirm if this is some issue at his end or my end thanks- sriram -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-ss7/attachments/20080913/633deca8/attachment.htm