Are you certain that the echo on sip-->sip calls is not being caused by either a spakerphone or extremely loud handset?
On 9/29/05, Ian Bonham <[EMAIL PROTECTED]> wrote: > I'm using a Voicetronix OpenSwitch12 analouge card. It's on the latest > driver for Asterisk (2.4.9) and has echo cancellation turned on. This works > fairly well on on SIP->POTS calls after it trains up, but there is still a > small echo. The SIP->SIP calls are really echoy though. > > Cheers, > > Ian > (Sorry, only hit 'reply' last time, not 'reply all'!) > > > > >From: Tom Hayden <[EMAIL PROTECTED]> > >Reply-To: Tom Hayden <[EMAIL PROTECTED]>,Asterisk Users Mailing List - > >Non-Commercial Discussion<[email protected]> > >To: Asterisk Users Mailing List - Non-Commercial > >Discussion<[email protected]> > >Subject: Re: [Asterisk-Users] Asterisk Echo problems, Urgent, please help, > >Date: Thu, 29 Sep 2005 09:02:05 -0400 > > > >What kind of POTS trunks/cards are you using? > > > >-- > >Tom > > > >On 9/29/05, Ian Bonham <[EMAIL PROTECTED]> wrote: > > > Hi all, > > > > > > I hope someone can help, as I have an urgent problem. > > > > > > I've got a production Asterisk server thats been deployed, but we are > >seeing > > > a strange voice echo problem. There is about a 250ms echo for the users > >in > > > the office, and they are hearing their own voice back at them. > > > > > > I'm running the CVS Head code, on RH9.0. This is on a P4 box with 2gb of > > > memory. The client SIP phones are Polycom Soundpoint IP600's, WiFi ZyXel > > > 2000w handsets, and X-Lite (free) PC clients. All see the same problem. > > > There is a bridge into the POTS (BT's SystemX) using a Voicetronix > > > OpenSwitch12 card and the vpbhp driver. > > > > > > The echo occurs on both SIP->POTS calls, and SIP->SIP calls. I've tried > >a > > > number of volume adjustments to correct the echo but it is always the > >same. > > > > > > If anyone has any ideas I'd really appriciate some help, as this is a > >major > > > urgency, > > > > > > Many many thanks, > > > > > > Ian Bonham > > > > > > _________________________________________________________________ > > > FREE pop-up blocking with the new MSN Toolbar - get it now! > > > http://toolbar.msn.click-url.com/go/onm00200415ave/direct/01/ > > > > > > _______________________________________________ > > > --Bandwidth and Colocation sponsored by Easynews.com -- > > > > > > Asterisk-Users mailing list > > > [email protected] > > > http://lists.digium.com/mailman/listinfo/asterisk-users > > > To UNSUBSCRIBE or update options visit: > > > http://lists.digium.com/mailman/listinfo/asterisk-users > > > > > > > > >-- > >Tom > >_______________________________________________ > >--Bandwidth and Colocation sponsored by Easynews.com -- > > > >Asterisk-Users mailing list > >[email protected] > >http://lists.digium.com/mailman/listinfo/asterisk-users > >To UNSUBSCRIBE or update options visit: > > http://lists.digium.com/mailman/listinfo/asterisk-users > > _________________________________________________________________ > Express yourself instantly with MSN Messenger! Download today it's FREE! > http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/ > > _______________________________________________ > --Bandwidth and Colocation sponsored by Easynews.com -- > > Asterisk-Users mailing list > [email protected] > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > _______________________________________________ --Bandwidth and Colocation sponsored by Easynews.com -- Asterisk-Users mailing list [email protected] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
