[Asterisk-Dev] G729 problem with h323 and questions

[Michael Manousos]

mawali at news.icns.com wrote:
> Hi
> I installed the codec_g729b as the instructions from diguim, but I cannot 
> figure a couple of things out (traces at the end of email)
> 
> 1) Is it G729 or G729AnnexA or G729AnnexAAnnexB (it show up in chan_oh323 
> capability table as "G729 24")


In oh323.conf set:
codec=G729

What version of OpenH323 do you use?
In versions < 1.12.0 G729 won't work.

> 
> 2) I cannot get G729 to show up in the H.245 capabilityTable using 
> chan_h323 on yesterday's CVS. (allow=g729 does not have absolutely any 
> effect). 
> 
> 3) With chan_oh323 I can see it in H.245 capabilityTable but only as 
> receiveAudioCapability (g729 24) instead of receiveAndTramsmitAudioCapability
> and I cannot change the packetization (240 seems to be pretty high 

Again in oh323.conf:
codec=G729
frames=10  ; 100 ms

> packetization period). Look at the H.245 packet here:
> 
> http://www.icns.com/h.245.jpg
> 
> Is this a problem with my license, or h323 or what??.
> 
> Trace
> [codec_g729b.so] => (Annex B (floating point) G.729/PCM16 Codec Translator)
>   == Detected 1 licensed G.729 transcoders
> 
> WARNING[8192]: File translate.c, Line 218 (calc_cost): Translator 
> 'g729tolinb' does not produce sample frames.
> 
>   == Registered translator 'g729tolinb' from format 8 to 6, cost 99999
>   == Registered translator 'lintog729b' from format 6 to 8, cost 94
> 
> 
> Regards
> 
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Michael.