[SIPForum-discussion] G729 variants

[Thomas Trung]

Hi Bilal,

Please prefer in this table below as recommend from ITU-T G.729 Family of
Narrowbond and Wideband Speech codecs

G.729 ----- Basic 8-kbps
G.729B ------ G.729 with silence compression
G.729A------ Reduced complexity 8-kbps CS-ACELP speech codec
G.729AB ---- G.729A with license compression
G.729E ( G.729 Annex E) --- 11.8-kbps CS-ACELP speech coding algorithm
G.729.1 sideband and narrowband   -- Embedded variable 8-32kbps, bits
interoperable with G.729, G>729A


Regarding

Thomas Trung

From:  Bilal Javed <bilaljaved1986 at gmail.com>
Date:  Thursday, February 21, 2013 4:01 AM
To:  <discussion at sipforum.org>
Subject:  [SIPForum-discussion] G729 variants

Hi Guys,

Can anybody explain what is codec of this sample



Is it g729a or g729b?

if 

annexb=yes then which codec is this ?
annexb=no  then which codec is this ?
annexa=yes then which codec is this ?
annexa=no  then which codec is this ?

How can we differentiate these codec from trace?

1.g729a
2.g729b
3.g729ab
4.g729 (simple)


Thanks in Advance.

Regards,
Bilal
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