I tried specifying rxgain & txgain, copied the format some some message on asterisk-users Result was asterisk bombed out & didn't even load due to not being able to understand the config file .. what's the exact syntax that works??
cheers Dave ----- Original Message ----- From: "Fredrik Hedberg" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, September 02, 2003 9:21 AM Subject: Re: [Asterisk-Users] SIP and ECHO > What have you specified as rx and txgain? > > Simon McAuliffe wrote: > > >I've been having the same problem too, except for me it only happens > >occasionnally. > > > >I'm not 100% sure of this, but it seems that for very local calls (eg across > >the city) I never get echo. For calls that go longer distance (say 500km or > >more), or through some closer call centres, I'm getting the echo. I don't > >get the echo on an analogue POTS connection to the same places (it is > >clearly only happening on our asterisk system). > > > >This might indicate some link between echo cancellation and delayed audio, > >but if so, its sensitive to very small delays. > > > >The echo can only be heard at our end, there is no trace of it at the other > >end. > > > >I'm using ATAs doing SIP to Asterisk and through a PRI connection to a > >Telco. Echo cancellation is turned on and showing as activated on the Zap > >channels. Echo cancellation is also enabled on the ATAs. > > > >----- Original Message ----- > >From: "Brian J. Schrock" <[EMAIL PROTECTED]> > >To: <[EMAIL PROTECTED]> > >Sent: Friday, August 29, 2003 3:16 AM > >Subject: [Asterisk-Users] SIP and ECHO > > > > > > > > > >>Hello, > >> > >>I have read the information on echo and SIP in the FAQ and I have > >>scoured the mailing list for possible solutions, but as yet I have not > >>been able to get rid of this echo. > >> > >>I have a Sip phone, Digium 4 Port FXS, and 3 Digium FXO cards installed > >>into an asterisk server. If I call between the Sip Phone > >>(Budgettone-100) and the 4 FXS ports everything sounds great. If I call > >>out to the PSTN through the FXO cards I get horrible echo, I have even > >>been able when talking loud enough to get a horrible feedback loop > >>going. I have tried 4 different echo cancellers in the Makefile for the > >>Zap drivers and nonoe of them changed the situation. > >> > >>I have echocancel = (Any where from 1 - 256, I have tried alot of > >>different values), and I have echocanelwhenbridged = yes.I only hear the > >>echo start when the call gets bridged onto the outgoing PSTN lines. > >> > >>Is there anything I can do? > >> > >>Brian J. Schrock > >> > >>_______________________________________________ > >>Asterisk-Users mailing list > >>[EMAIL PROTECTED] > >>http://lists.digium.com/mailman/listinfo/asterisk-users > >> > >> > >> > > > >_______________________________________________ > >Asterisk-Users mailing list > >[EMAIL PROTECTED] > >http://lists.digium.com/mailman/listinfo/asterisk-users > > > > > > > > > -- > Fredrik Hedberg > > Telavox AB Direct: +46 46 6220013 > Lilla torg 1 Phone: +46 46 6220000 > S-211 34 Malmo Mobile: +46 70 3323033 > Sweden Web: www.telavox.se > > > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users > _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users
