[Freeswitch-users] On-conference distortion for FreeTDM channels, but not SIP channels

Fri Jan 3 12:03:30 MSK 2014

Hi Anthony, hi Bob,

I'm glad it seems that there will be a solution for this soon...
I also contacted Moises Silva from Sangoma for help - but he will be on 
vacations until Jan 12.
Perhaps you three can coordinate the work for developing a timer when he 
is back at work?

Best Regards
Melanie

Am 02.01.2014 18:50, schrieb Anthony Minessale:
> That's why my recommendation was to develop a mod_freetdm timer 
> instead of dahdi timer so you could abstract the timer into the 
> freetdm and develop t1 timers for any and all rather than one.
> A workaround would be to use sangoma cards in dahdi mode then use the 
> proposed dahdi timers.
>
> I
>
>
> On Thu, Jan 2, 2014 at 10:27 AM, Bob Hartwig <bobjects at gmail.com 
> <mailto:bobjects at gmail.com>> wrote:
>
>     For what it's worth, this recording captures exactly what I
>     addressed with my dahdi_timer module.  That module won't work for
>     Sangoma, of course.
>
>     To read a pretty detailed analysis of what the problem is, do a
>     search of messages from me on this list and on the freeswitch dev
>     list around September 2013.  I would volunteer to port that timer
>     module to work with Sangoma, but I don't have any Sangoma boards.
>      If Sangoma wants to send me a PCIe board free of charge, and give
>     me some guidance on how to derive the 8 KHz T1 clock via the
>     equivalent of /dev/dahdi/timer (or however else), I'll give it my
>     best shot.  Otherwise, look at what I did in dahdi_timer.c.
>
>         Bob
>
>
>
>
>
>     On Thu, Jan 2, 2014 at 8:10 AM, Melanie Treitinger
>     <treitinger at as-infodienste.de
>     <mailto:treitinger at as-infodienste.de>> wrote:
>
>         Hi Brian,
>
>         I have attached an a-leg recording of a distorted conference
>         where I play the freeswitch welcome message for testing.
>
>         The recording is placed in the dialplan before the conference
>         is created:
>         <action application="record_session"
>         data="/path/to/recording/test_distortion_${strftime(%Y-%m-%d-%H-%M-%S)}.wav"/>
>         ...
>         <action application="conference" data="${conference_command}"/>
>
>         Hardware is a Sangoma ISDN card (as recommended...).
>
>
>         Best Regards
>         Melanie
>         Am 29.12.2013 21:54, schrieb Brian West:
>>         What kind of distortions are you experiencing? On what hardware?
>>         --
>>         Brian West
>>         brian at freeswitch.org  <mailto:brian at freeswitch.org>
>>         FreeSWITCH Solutions, LLC
>>         PO BOX 2531
>>         Brookfield, WI 53008-2531
>>         Twitter: @FreeSWITCH , @briankwest
>>         http://www.freeswitchbook.com
>>         http://www.freeswitchcookbook.com
>>
>>         T:+1.918.420.9001  <tel:%2B1.918.420.9001>   |  F:+1.918.420.9002  <tel:%2B1.918.420.9002>   |  M: +1.918.424.WEST
>>         iNUM:+883 5100 1420 9001  <tel:%2B883%205100%201420%209001>
>>         ISN: 410*543
>>         Skype:briankwest
>>         PGP Key:http://www.bkw.org/key.txt  (AB93356707C76CED)
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>         On Dec 17, 2013, at 10:42 AM, Melanie Treitinger<treitinger at as-infodienste.de>  <mailto:treitinger at as-infodienste.de>  wrote:
>>
>>>         Hi Bob,
>>>
>>>         thank you very much for your answer and the Dahdi patch (http://jira.freeswitch.org/browse/FS-5898).
>>>         However we are using Sangoma and don't know yet how to adapt this patch for our cards.
>>>         Does anyone know how to do this?
>>>
>>>         Melanie
>>
>>
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>
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> -- 
> Anthony Minessale II       ? @anthmfs  ? @FreeSWITCH  ?
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