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Re: [Linphone-users] Sync problem with Asterisk??
From: |
John A. Sullivan III |
Subject: |
Re: [Linphone-users] Sync problem with Asterisk?? |
Date: |
Thu, 16 Sep 2004 11:19:39 -0400 |
On Thu, 2004-09-16 at 08:18, Simon MORLAT wrote:
<snip>
> I think there is a problem with speex in 0.12.2. The version embedded in
> linphone tarball is not compatible with the way linphone use it (hum).
> So may want to recompile and install the lastest version of speex, then
> recompile linphone so that it use the installed version instead of the
> embedded one.
Thanks. I'll give it a try.
>
> <snip>
> All those messages are normal; but I can see something interesting with
> the RTP stats at the end:
>
> packet_sent=10328
> packet_recv=6564
>
> Linphone has received less packets than he has sent. In a full duplex voip
> session with same codecs in both direction (like it is usually the case),
> this is not normal. It means that packet output rate from asterisk is too
> low. Normally, asterisk should output 8000 samples/second, so 8000
> bytes/second, for example 50 packets/s with 20ms (160bytes) of audio in each
> packet.
> This gives you some ideas to dig...
> Simon
Thank you very much for pointing that out. I will start digging. I
believe my sound card is only half duplex (Intel i810). Would that
produce this kind of result?
<snip>
--
John A. Sullivan III
Open Source Development Corporation
Financially sustainable open source development
http://www.opensourcedevel.com