What do you mean by horrible?  CPU-wise, quality-wise?  Just curious,
because I got my licenses all set up a while back and found the call quality
wasn't great and blamed my endpoints, but could it have been asterisk's
fault?  Should g729 sound almost as good as ulaw?

- Ian

On 3/17/06, Shidan <[EMAIL PROTECTED]> wrote:
>
> Dude I thaught the diagram was reversed. Do you really have to go out thru
> your G729 provider, if you tell me where your gateway is, im sure you can
> find someone tier-1 voip who
> terminates close to your gateway striaght ulaw. G729 is absolutely
> horrible with asterisk.
>
> ----
> Shidan
>
>
> On 3/17/06, Leif Madsen <[EMAIL PROTECTED]> wrote:
> >
> > On 3/16/06, Leif Madsen <[EMAIL PROTECTED]> wrote:
> > > I need to take 4x T1's into an Asterisk box (92B + 4D) and transcode
> > > them from G.711 (ulaw) to G.729, terminating via SIP. I've been at VON
> >
> > > this week in SJ, talking to the Digium guys, and opinions seem to
> > > hover around a box with 2x Intel Xeon CPUs running at 3.0GHz or
> > > higher.
> >
> > Just as some added information, which doesn't really affect the
> > original question, but will help you visualize the topology I'm
> > dealing with. The box will be sitting at a customers side and acting
> > as a "transcoding gateway". The customer will be the one filling the
> > physical T1 ports with their equipment, where the streams will be
> > transcoded by Asterisk to G.729, then sent via SIP to my gateway
> > servers where I will terminate his traffic to the PSTN.
> >
> > Customer -- [4x T1 ( G.711)] --> Asterisk -- [SIP (G.729)] --> Internet
> > --> GW --> PSTN
> >
> > Hope that helps clear up any confusion as to how this is being
> > implemented.
> >
> > This also allows me to bring up another part of the scenario -- have I
> > calculated correctly that with all protocol overhead (SIP, RTP, UDP,
> > IP + codec media) that I'm looking at around 2.12 Mbps of databit rate
> > for all 92 simultaneous G.729 calls?
> >
> > --
> > Leif Madsen.
> > http://www.leifmadsen.com
> > http://www.oreilly.com/catalog/asterisk
> >
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