I forgot to mention one thing. I don't know if it changes anything. Internal users are connected to another PBX which connects to asterisk over SIP. Echo is always at internal user side. External user never hears echo.
External User --> PSTN --> Asterisk --> SIP --> CIC --> Internal User -----Original Message----- From: Steve Davies [mailto:[EMAIL PROTECTED] Sent: Friday, June 16, 2006 11:57 AM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [Asterisk-Users] Echo Problem with T411P On 6/15/06, Mike Fedyk <[EMAIL PROTECTED]> wrote: > Steve Davies wrote: > > We have even experienced problems within Europe where providers route > > national calls via international routes to save money. This adds > > significant latency and makes any echo so heavily delayed that > > asterisk cannot remove it. > More than 128ms? 128 = 128 taps = 16ms of 8KHz audio, so no, not more that 128ms, but definitely more than 16ms. Steve _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- Asterisk-Users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- Asterisk-Users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
