[Asterisk-Users] Fun with Echo -- Follow up

[mike]

you are right in everything
and i'm not using the external speaker on the phones,
i'm using them normally
server A and B are IAX to IAX, codec ulaw
and from phones to asterisk servers i'm using SIP, codec ulaw

strange uh ?
do you think it's an poor phone hardware problem ?

thank you very much for your feedback !
.mike

On Tue, 2006-06-20 at 14:23 -0400, Matt wrote:
> Are these two servers purely IAX to IAX?  That is... are you on server
> A with a phone.. calling across IAX to server b, where it goes to a
> sip phone?
> 
> If so, are you using speaker phone on the phones?  sip/sip or iax/iax
> calls should be completely echo free.
> 
> On 6/20/06, mike <mike at thundersystems.it> wrote:
> > what's that ? where did u purchase is ?
> > right now i'm having echo problems between two asterisk servers dealing
> > with iax with ulaw codec, one in italy and the second in thailand
> > in your opinion, it is possible that an echo issue is derived by low
> > bandwidth ?
> > i thought this will end having delay/choppy behaviour, not echo !
> > do you think that could be an hardware problem related with my ip
> > phones ?
> > i'm using taiwanese phones, the tip-100, from that list:
> > http://www.ttic.com.tw/program/en_product_catalog.asp?product_series_h=internet&product_layout=list
> > tnx to all feedback !
> > .mike
> >
> > On Tue, 2006-06-20 at 11:43 -0400, Matt wrote:
> > > I eliminated my echo almost instantly by purchasing an echo canceling
> > > card :)  I had about 30 minutes into to get the card installed and
> > > asterisk up and running.
> >
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