[Asterisk-Users] Sipura g729 call quality to PSTN

[Keith Burns]

What is your sample size?

I believe the 7960 supports 40ms (2 samples) per packet by default.

Do you have an ethereal trace? Look at the timestamps between RTP packets if
you can't see/modify this setting.


> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Pedro
> Sent: Tuesday, February 15, 2005 6:30 PM
> To: Jeffrey Chan
> Cc: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] Sipura g729 call quality to PSTN
> 
> Actually the SPA-2100 supports 2 g729 channels which is why I bought
> it.  Unfortunately, the call quality is just as poor on the 2100 as it
> is on the 2000.
> 
> - Pedro
> 
> 
> On Tue, 15 Feb 2005 23:12:51 +0000, Jeffrey Chan <mutualphone at gmail.com>
> wrote:
> >  Is it just a bad implementation of g729 compression with the Sipura
> > > > > product line?
> > > > >
> > > >
> >  That would be my guess too . why SPA-2000 supports G729 for one
> > channel only? no enough CPU power to code/decode G.729 for two
> > channels?
> >
> > Jeffey
> >
> > www.mutualphone.com
> >
> >
> > On Tue, 15 Feb 2005 16:31:59 -0500, Pedro <traci.asterisk at gmail.com>
wrote:
> > > uggg.
> > >
> > > Is anyone out there having any luck with the SPA-2000 or SPA-2100
> > > using the g729 codec with decent call quality?
> > >
> > >
> > > On Tue, 15 Feb 2005 10:19:05 -0500, Mark Eissler <mark at mixtur.com>
wrote:
> > > >
> > > > On Feb 14, 2005, at 1:25 PM, Pedro wrote:
> > > >
> > > > >
> > > > > Is it just a bad implementation of g729 compression with the
Sipura
> > > > > product line?
> > > > >
> > > >
> > > > That would be my guess.
> > > >
> > > > -mark
> > > >
> > > > --
> > > > Mark Eissler, mark at mixtur.com
> > > > Mixtur Interactive, Inc. - at - http://www.mixtur.com
> > > >
> > > >
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> >
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