You are right to suspect codec issues here. What codec are you using at the various endpoints?

Make sure that the Asterisk box is set up with the correct codecs in the conf files, otherwise it will try to transcode and this will often cause bad audio quality like you mentioned. If you're using G729, make sure that you don't have any rTt or other options in dial enabled, otherwise, Asterisk will proxy the media.

I've read in previous threads that the jitter buffer is broken in iax and we tried with and without and it was much better without.

On Mar 19, 2004, at 8:57 PM, <[EMAIL PROTECTED]> wrote:

Maybe I'm not articulating myself well.

The 7940 on the same network in Europe *works great*, no problems, sound
is perfect, even with the higher latency.


If I take that 7940 and have it connect to a *local* Asterisk server,
which connects to the states, it sucks.  The 7940 though, connecting
directly to the states, works great.

Bill


Not all sat connections are one way. But the issue with sat connections

is.... *drumroll* latency!
As the signal is beeing relayed over the sattelite this will cause
latency. Also if the sat service is not
providing enough downstream it's bad too.

I would definately look into getting your network straighend out first.

There are many factors.
Is your connection shared? What speeds?

Let say it like that if you have people on your local lan using
bandwith
or running peer 2 peer
filesharing stuff this will take away your upstream speed. Do some
tests.


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