[Asterisk-Users] test-driving G.729?

Deon Rodden
Tue, 19 Oct 2004 07:53:23 -0000

I personally think for a codec that's almost 1/3 the size of ULaw, the
quality is great. I consider ULaw above telephone quality, and g729 to be at
telephone quality.

But just 5 minutes ago I moved a user over to g729a. Changed the
SIP000xxxx.cnf file for the Cisco phone, but forgot to change the dtmfmode
in sip.conf from inband to rfc2833 and Asterisk wigged out with 300,000
messages about dtmf and such. Once I fixed that, he said the quality was
horrible. He could definitely hear the difference and hated it. Although I
could hear him fine, sounded good enough to me. Not sure what that was
about. I guess mileage will vary.

Have you looked into that open-source implementation of G729? There was
something on the WIKI about 3 different implementations of it. One being
where you paid license per channel fees, one that was free/open source, and
another I can't remember. Check the WIKI.

-----Original Message-----
From: asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Roy Sigurd
Karlsbakk
Sent: Tuesday, October 19, 2004 10:48 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [Asterisk-Users] test-driving G.729?

hi all

we're setting up a rather large end-user VoIP system, and due to
pressure from norwegian telephony authorities, we consider choosing
something instead of G.711A, possibly G.729.

does anyone know if it is possible to test-drive G.729 without paying
Digium for it?

roy

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