[Asterisk-Users] G.729? Worth it?

[Paul Rodan]

Funny thing about g729, when I setup my server to ONLY allow g729, and then
put my Cisco 7960's phone into g729 mode, the first call went through fine
as g729. If I put that party on hold, and dialed another number, that too
would be g729. But if I tried to call 1 party, and conference in another
party, I got codec warning messages, the phone(s) were trying to make the
2nd call as ULaw, and what's worst, it try to transform the original stream
that was g729 into ULaw as well.

I've gotten some strange behaviour of my Sipura and using g729 with multiple
streams as well. Certain calls try to revert back to ULaw. 

For the most part, I've given up on g729. 



-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Matt Schulte
Sent: Wednesday, January 19, 2005 12:55 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: RE: [Asterisk-Users] G.729? Worth it?

There's a MOS scale for this kind of stuff

-----Original Message-----
From: Paul Fielding [mailto:paul.fielding at shaw.ca] 
Sent: Wednesday, January 19, 2005 11:24 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] G.729? Worth it?


> Low bandwidth
> Low CPU utilization
> Best audio quality
>

I think you might want to clarify that Best audio quality is in relation
to 
other highly compressed codecs.  Certainly my (albeit limited)
experience is 
that g711 is much more clear than g729.   Compared against gsm, for
example, 
however, the audio quality is quite good....

regards,

Paul 

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