----- Original Message ----- From: "todd" <[EMAIL PROTECTED]> To: "Asterisk Users Mailing List - Non-Commercial Discussion" <[email protected]>
Sent: Tuesday, May 24, 2005 12:34 PM
Subject: Re: [Asterisk-Users] G729 codec


Andrew
Thanks for the reply-
Forgive my ignorance in this area but from what I have been told by the client was that G.729 b used less over all bandwidth on average ) then G.729 A. Correct me if I am wrong but the way it was laid out to me was G.729 B = (5.? kbps-8 kbps) G.729 A= (8 kbps -13kbps) , these of course stats form Avaya devices, maybe for whatever reason Asterisk capable of keeping it at 8? This is way out of my area, I would love to be wrong and be able to use A if it can perform they way they want. The reason it is an issue they serve international circuits and every bit counts and adds up with the volume they do.
TKG


----- Original Message ----- From: "Andrew Kohlsmith" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, May 24, 2005 6:55 AM
Subject: Re: [Asterisk-Users] G729 codec


On May 22, 2005 04:46 pm, todd wrote:
Thanks for the info: do you know if the g729 codec for Asterisk is limited
to only the G.729A version. Is there G.729 B available for Asterisk?

Does it matter?

g729 has fixed-point and floating-point implementations. The data coming out the back end is the same. Either a is floating-point and b is fixed-point or
the other way 'round (I can never remember).

It should not make one whit of difference which one you use to generate the
g729 stream.  Do you have a specific reason to need one over the other?

-A.
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