[Freeswitch-users] G723 usage - need something special for transcoding?

[Avi Marcus]

Ah, well, that would explain it then.. are there any other common open
licenses other than pcmu/pcma for PSTN interconnects? e.g. they don't offer
speex.. heck, the underlying carrier doesn't have g711.

-Avi Marcus


On Wed, Dec 21, 2011 at 3:54 PM, <ib-freeswitch at bzsolutions.it> wrote:

> Hi,
>  freeswitch supports G.723 only in pass through, if you want to transcode,
> there is a sangoma card that can do it, commercial license is avaiable only
> for G.729.
>
> G723 / G729 / AMR are patented, and you can't use use the algorithm
> without permission of patent holders.
>
> If ALEG and BLEG support G.723 you can change codec negotiation mode in
> freeswitch.
>
> You can found usefull info here on WiKi:
> http://wiki.freeswitch.org/wiki/Codec_negotiation
>
>
> ----- Original Message -----
> From: "Avi Marcus" <avi at avimarcus.net>
> To: "FreeSWITCH Users Help" <FreeSWITCH-users at lists.freeswitch.org>
> Sent: Wednesday, December 21, 2011 10:41:19 AM GMT +01:00 Amsterdam /
> Berlin / Bern / Rome / Stockholm / Vienna
> Subject: [Freeswitch-users] G723 usage - need something special for
> transcoding?
>
>
>
> Is g723 supposed to work out of the box?
> I added G723 to the codec negotiation.. and I see it chose it on leg B:
> Set Codec sofia/external/551137119355 G723/8000 30 ms 240 samples 6300 bits
> Leg A is... Set Codec sofia/internal/ 1000 at sip.domain.com PCMU/8000 20 ms
> 160 samples 64000 bits
>
>
> Leg A can't hear leg B... I don't know about leg B. Is the ptimes an
> issue..? Shouldn't FS just transcode the call?
>
>
> -Avi Marcus
>
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