[Freeswitch-users] PTIME 0.020 vs 0.030 and call quality

[Anthony Minessale]

However:

Based on what I read in the other post.  If you are seeing the error in FS
that says "do not support async ptime"
This means the device has a long standing bug where that .030 setting only
changes what it says in the sdp and doesn't actually change the size of the
packets so FS has to auto adjust down to 20 anyway so in this case you for
sure want to set them all to .020

This bug goes back almost a decade to the sipura code that linksys then
cisco inherited.




On Tue, Apr 23, 2013 at 11:04 AM, Dmitry Lysenko
<dvl36.ripe.nick at gmail.com>wrote:

> Increasing ptime will increase delay in voice, but decrease system and
> network load. And vice versa.
>
> Dmitry.
>
>
> 2013/4/23 Sean Devoy <sdevoy at bizfocused.com>
>
>>  Hi all,****
>>
>> ** **
>>
>> Does call quality improve when ptime is shortened?  I have seen posts
>> saying 40ms resulted in choppy audio.  Clearly FS likes 0.020.  I am trying
>> to decide if I should go through and update my Cisco and Linksys devices to
>> use 0.020.****
>>
>> ** **
>>
>> Thanks,****
>>
>> Sean****
>>
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-- 
Anthony Minessale II

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