[Freeswitch-users] G729 ptime mismatch on ingress and egress legs

[Steven Ayre]

First have you tried passthru_ptime_mismatch=true yet? It's not the default
used by the passthrough mod_g729 codec.

Only one module can be loaded at a time to provide a given codec (ie
mod_g729 or mod_com_g729 or mod_sangoma_codec). Internally perhaps the
sangoma module would avoid licenses, but they would need to clarify. AFAIK
mod_com_g729 only uses a license when required, simple 729-729 bridges
still use passthrough, but I don't know how ptime affects that. It's be
easy to test though - load it without any licenses and try a 729-729 call
with differing primes and see it the call gets through.

-Steve



On Friday, May 31, 2013, Ashwin Rath wrote:

> Thanks Anthony ,
>
> Looks like we would need to purchase a G729 license for Freeswitch or use
> a Sangoma card. Is there some configuration which tells Freeswitch to use
> the card ( or the software codec ) only in case of a ptime mismatch  so
> that we could save on the licensing fee only for calls that actually need
> ptime conversion ?
>
>
> On Tue, May 28, 2013 at 8:21 PM, Anthony Minessale <
> anthony.minessale at gmail.com> wrote:
>
> Set the variable passthru_ptime_mismatch=true on both legs of the call.
>  That's the best we can do.  If that doesn't work you'll need licenses.
>
>
>
>
> On Tue, May 28, 2013 at 9:12 AM, Ashwin Rath <ashwinrath at gmail.com> wrote:
>
> Hi
>
> I am trying to configure FS as a B2BUA which can do ptime conversions
> between the ingress and egress leg.
>
> The question is, if both legs have G729 as the codec but ptime 20 on one
> and 30 on another, would i still need to get the licensed mod_com_g729 or
> can it work with the passthrough mod_g729. I already tried it out, but it
> doesnt seem to work.
>
> Is there some configuration needed for this ?
>
> --
> Thegrid
>
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> Anthony Minessale II
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>
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