[Freeswitch-users] mod_com_g729 transcoding

[Steven Ayre]

A more complete debug-level log could be useful to get more context.

Is box 2 running any other calls at the same time that might be using
the license?

Is box 2 doing anything else with the call? Anything like eavesdrop,
recording, start_dtmf / start_dtmf_generate etc which uses the media
will use a license, and I *think* that license only gets released
until the end of the call.

-Steve



On 10 January 2013 07:09, Colin Mason <cmason at frontiernetworks.ca> wrote:
> I have phone A connected to freeswitch box 1 and phone B connected to
> freeswitch box 2.
>
>
>
> Phone A wants to dial phone B using G729. Codec is always G729.
>
> The path RTP follows is:
>
>
>
>
>
>
>
> Phone A -------> FreeSWITCH 1 -------> FreeSWITCH 2 -------> Phone B
>
>                    (g729)                                (g729)
> (g729)
>
>
>
>
>
>
>
> My question is, why is it that the freeswitch box receiving the call uses up
> an encoder/decoder when the codec is G729 along the path? If I reverse the
> call and call Phone A from Phone B, FreeSWITCH Box 1 uses up 1 license.
>
> if I dial the PSTN to a carrier who supports G729, I don’t use up a license.
> Any thoughts? Maybe this is normal.
>
>
>
> FreeSWITCH Box 1:
>
> 2013-01-10 01:50:14.195277 [DEBUG] sofia_glue.c:3327 AUDIO RTP
> [sofia/mpls/I888_1 at 172.17.17.17] 172.17.17.17 port 32014 -> 10.253.200.6
> port 16466 codec: 18 ms: 20
>
> 2013-01-10 01:50:14.195277 [DEBUG] sofia_glue.c:3327 AUDIO RTP
> [sofia/transport/2996] 172.17.17.17 port 27276 -> 172.16.16.16 port 17056
> codec: 18 ms: 20
>
> freeswitch at internal> g729_info
>
> Permitted G729 channels: 40
>
> Encoders in use: 0
>
> Decoders in use: 0
>
>
>
> FreeSWITCH Box 2:
>
> 2013-01-10 01:50:14.184757 [DEBUG] sofia_glue.c:3351 AUDIO RTP
> [sofia/transport/3888 at 172.17.17.17] 172.16.16.16 port 17056 -> 172.17.17.17
> port 27276 codec: 18 ms: 20
>
> 2013-01-10 01:50:15.664733 [DEBUG] sofia_glue.c:3351 AUDIO RTP
> [sofia/mpls/sip:C996_1 at 10.253.200.10:5060] 172.16.16.16 port 18966 ->
> 10.253.200.10 port 16486 codec: 18 ms: 20
>
> freeswitch at internal> g729_info
>
> Permitted G729 channels: 40
>
> Encoders in use: 1
>
> Decoders in use: 1
>
>
>
>
>
>
>
> Thanks in advance guys.
>
> Colin
>
>
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