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 From:  sai <sonicsai at gmail dot com>
 To:  Christian Oswald <coswald at dls dot net>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] [Fwd: Cisco SIP phones]
 Date:  Fri, 13 May 2005 13:03:33 +0500
yes, I meant that echo is caused by the service providers network.

sai


On 5/12/05, Christian Oswald <coswald at dls dot net> wrote:
> But it could be caused by the persons voip provider.
> 
> Christian Oswald
> DLS Internet Services
> Office: 847-854-4799 ext 235
> Fax: 847-841-4678
> coswald at noc dot dls dot net
> 
> -----Original Message-----
> From: sai [mailto:sonicsai at gmail dot com]
> Sent: Thursday, May 12, 2005 5:06 AM
> To: Adrian Basescu
> Cc: m0n0wall at lists dot m0n0 dot ch
> Subject: Re: [m0n0wall] [Fwd: Cisco SIP phones]
> 
> agreed - echo will not be caused by your network.
> 
> sai
> 
> On 5/11/05, Adrian Basescu <adrianeli at gmail dot com> wrote:
> > Hello,
> > From my personal experience with SIP phones, but not Cisco, the
> traffic
> > shaping may influence your voice quality, not echo.
> > Echo should be canceled by the SIP phone, which usually has a
> configuration
> > option to enable or disable echo cancellation.
> >
> > Heavy traffic may create drops in the voice link, a missed word or
> part of
> > an word, or force the SIP phones to negociate a lower quality codec.
> >
> > --
> > Adrian Basescu
> >
> >
> 
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