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[asterisk-users] Codec negotiation for Thomson ST2030 and g729


 
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vinz486 at gmail.com
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PostPosted: Mon Jul 07, 2008 4:26 am    Post subject: [asterisk-users] Codec negotiation for Thomson ST2030 and g7 Reply with quote

Hi all,

i'm trouble with codec setup on an asterisk machine 1.4.18 and some
Thomson ST2030 as extensions.

In the users.conf file for internal extension i have:

disallow=all
allow=g729
allow=alaw
allow=ulaw

Without any codec installed (i mean with original g729 of asterisk)
all go fine, calling from an extension to one other:

Peer User/ANR Call ID Seq (Tx/Rx) Format
Hold Last Message
10.9.9.9 202 11a6323d2ff 00102/00000 0x100 (g729)
No Tx: ACK
10.9.9.10 201 a8749-c0a80 00101/00001 0x100 (g729)
No Rx: ACK
Installing the open source binary of g279 (codec_g729.so in modules
dir) and restarting asterisk, the same call require transcoding:

Peer User/ANR Call ID Seq (Tx/Rx) Format
Hold Last Message
10.9.9.9 202 1992c2d149e 00102/00000 0x8 (alaw)
No Tx: ACK
10.9.9.10 201 140a6d-c0a8 00101/00001 0x100 (g729)
No Rx: ACK

The CALLED extension uses alaw instead of g729.

This uses a lot of CPU (up to 10% in my P3 machine).

Where is the trouble? Asterisk bug? Thomson do not recognize g729 GPL
as standard g729? I must set the framebuffer size?

If i set ONLY g729 as allowed codec all go fine: all calls uses the g729 codec.

Why codec negotian in the allow= list is not respected? Depends on
codec binary? It's strange...


Thanks to all...




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vinz486 at gmail.com
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PostPosted: Mon Jul 07, 2008 7:28 am    Post subject: [asterisk-users] Codec negotiation for Thomson ST2030 and g7 Reply with quote

On Mon, Jul 7, 2008 at 12:18 PM, Olivier <oza-4h07 at myamail.com> wrote:
Quote:
If my memory serves me right, we could use Thomson ST2030 and Asterisk 1.4.
Have you tried with another soft or hardphone ?

Why not???
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