[Freeswitch-users] ptime problem with provider (Cisco hardware)

[Pablo Hernan Saro]

I am not a Cisco expert, but as far as I know packetization period is
configurable in Cisco. When you specify the codec for a dial peer, you
can set up the ptime value in milliseconds. This is an optional
argument in the Cisco command line and what happens when providers
don't specify it is that your end assumes a convenient or default
ptime value, that probably don't match with far end default... A
solution would be to figure out what is the convenient value for an
individual provider and set up FS to match it, or suggest your
provider to specify a ptime in the first request.
By the way, Cisco supports 10, 20, 30, 40, 50 and 60 as ptime values
for codecs G.729, G.729A, G.729B and G.729AB.

Pablo


2009/3/20 Łukasz Czerpak <lukasz at czerpak.eu>:
> Brian West pisze:
>> Well you can't have ptime 60 one way and 20 the other it just won't
>> work.  Also I can't even think that this illegal codec was even tested
>> at 60ms... Try it with ulaw and see what it does.  or only allow
>> G729 at 60i and see what it does.
>>
>
> I made some tests with ulaw with success. There is no problem with ptime
> negotiation.
>
> Will the g729 codec be fully (not passthrough) supported in FreeSWITCH?
>
> regards,
>
> --
> Łukasz Czerpak | PGP: 0x532D8E1B [subkeys.pgp.net]
>
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