[Freeswitch-users] G729 - [INCOMPATIBLE_DESTINATION]

[Steven Ayre]

What G729 module are you using, and what codec is in use on the other leg?

G729 needs licenses due to patents.

mod_g729 is passthrough only but requires no licenses. This is because it
merely forwards the data, but doesn't perform the encoding/transcoding step
that the patents cover. But that means it can't transcode between different
codecs.
mod_com_g729 is the licensed version: http://www.freeswitch.org/node/235

With the passthrough mod_g729 codec, if the other leg has selected a codec
other than g729 you'll see an error in your logs and it'll hangup with that
reason.

You can tweak your codec negotiation to avoid this (eg
late-negotiation=true), or you can use the licensed version.




On 16 December 2012 11:40, Balamurugan Mahendran <b2m at a-cti.com> wrote:

> Need help on Codec Negotiation
>
>
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare *
> [G729:0:8000:20:64000]/[G729:18:8000:20:8000]*
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [G729:0:8000:20:64000]/[SILK:117:8000:20:20000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [G729:0:8000:20:64000]/[SILK:118:12000:20:25000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [G729:0:8000:20:64000]/[SILK:119:16000:20:30000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [G729:0:8000:20:64000]/[SILK:120:24000:20:40000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [G729:0:8000:20:64000]/[G7221:115:32000:20:48000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [G729:0:8000:20:64000]/[G7221:107:16000:20:32000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [G729:0:8000:20:64000]/[G722:9:8000:20:64000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [G729:0:8000:20:64000]/[PCMU:0:8000:20:64000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [G729:0:8000:20:64000]/[PCMA:8:8000:20:64000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [G729:0:8000:20:64000]/[GSM:3:8000:20:13200]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [telephone-event:101:8000:20:0]/[G729:18:8000:20:8000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [telephone-event:101:8000:20:0]/[SILK:117:8000:20:20000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [telephone-event:101:8000:20:0]/[SILK:118:12000:20:25000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [telephone-event:101:8000:20:0]/[SILK:119:16000:20:30000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [telephone-event:101:8000:20:0]/[SILK:120:24000:20:40000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [telephone-event:101:8000:20:0]/[G7221:115:32000:20:48000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [telephone-event:101:8000:20:0]/[G7221:107:16000:20:32000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [telephone-event:101:8000:20:0]/[G722:9:8000:20:64000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [telephone-event:101:8000:20:0]/[PCMU:0:8000:20:64000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [telephone-event:101:8000:20:0]/[PCMA:8:8000:20:64000]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4798 Audio Codec Compare
> [telephone-event:101:8000:20:0]/[GSM:3:8000:20:13200]
> 2012-12-16 11:35:52.246422 [DEBUG] sofia_glue.c:4919 Set 2833 dtmf
> send/recv payload to 101
>
>
> 2012-12-16 11:35:52.246422 [DEBUG] switch_channel.c:2852 (sofia/internal/
> 501 at 50.54.12.39) Callstate Change DOWN -> HANGUP
> 2012-12-16 11:35:52.246422 [NOTICE] sofia.c:5781 Hangup sofia/internal/
> 501 at 50.54.12.39 [CS_NEW] *[INCOMPATIBLE_DESTINATION]*
>
> Thanks,
> Bala
>
>
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