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@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@avimarcus.net>
To: "FreeSWITCH Users Help" <FreeSWITCH-users@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@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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