[Freeswitch-users] forcing ptime settings

[Matthew Fong]

If I only care about outbound audio, is there a way to force the audio
packets FreeSWITCH sends to be of a certain ptime (like 30ms)? Or is there
still this same issue?

--matt

On Wed, Dec 23, 2009 at 8:20 AM, Rupa Schomaker <rupa at rupa.com> wrote:

> They don't operate their own voip gateways, just run an SBC in front of a
> bunch of other providers.  So someone they are reselling is using Sonus
> gear. I use them to originate to some destinations but in the US I avoid
> them due to the sonus stuff that pops up on certain routes.
>
> On Wed, Dec 23, 2009 at 9:55 AM, Brian West <brian at freeswitch.org> wrote:
>
>> That usually means they are saying 30 but sending 10 which is broken.. you
>> can't say hey i'm sending 30 and then send 10... find a new provider or beat
>> them to death with a cluebat in hopes they fix their broken stuff.
>>
>> /b
>>
>> On Dec 23, 2009, at 9:48 AM, Matthew Fong wrote:
>>
>> I use the SIP Termination service from ezcall inc (grnvoip.com) and I'm
>> having some trouble playing .wav files into the media stream using
>> FreeSWITCH.
>>
>> The audio either comes out really slow, or really fast. So a 60 second
>> .wav file is either finished playing in 90 seconds (really slow) or finishes
>> playing in 20 seconds (really fast). I believe this is caused by different
>> ptime values that are being setup in the session. In the FreeSWITCH console
>> I often received this error
>>
>>  [WARNING] mod_sofia.c:808 We were told to use ptime 30 but what they
>> meant to say was 20
>>
>> I tried forcing the codec and ptime using absolute_codec_string='PCMU at 30i'  and
>> it seemed to fix the really slow playback problem.
>>
>> but now I'm getting a
>>
>>  [WARNING] mod_sofia.c:808 We were told to use ptime 30 but what they
>> meant to say was 10
>>
>> error and in some sessions the audio is playing back too fast (at 3x the
>> speed).
>>
>> Is there a way I can force ptime to be 30 and avoid FreeSWITCH "fixing"
>> the ptime values? Are there any other work arounds?
>>
>>
>> --matt
>>
>>
>>
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>>
>
>
> --
> -Rupa
>
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