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@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 Westbrian@freeswitch.org FreeSWITCH Solutions, LLC PO BOX 2531 Brookfield, WI 53008-2531 Twitter: @FreeSWITCH , @briankwesthttp://www.freeswitchbook.comhttp://www.freeswitchcookbook.com
T: +1.918.420.9001 | F: +1.918.420.9002 | M: +1.918.424.WEST iNUM: +883 5100 1420 9001 ISN: 410*543Skype:briankwest PGP Key: http://www.bkw.org/key.txt (AB93356707C76CED)
On Dec 17, 2013, at 10:42 AM, Melanie Treitinger <treitinger@as-infodienste.de> <treitinger@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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