Hello I get these entries in my event log Jan 31 19:21:08 gateway kernel: zaptel Disabled echo canceller because of tone (rx) on channel 1 Do I have to change anything for enable echo cancellation? Regards Deepak -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20040131/d6190b12/attachment.htm