[Freeswitch-users] mod_gsmopen: call connects, silence, lose /dev/ttyUSB2...

[Vitalie Colosov]

Is Debian better then CentOS to run FS?
What is the today's recommendation of FS dev team?
(2 years ago it was CentOS for sure).


2013/9/9 Giovanni Maruzzelli <gmaruzz at gmail.com>

> You probably have hardware problems in your platform usb subsystem. Can be
> power supply, can be chipset, can be whatever. Seems evident to me you
> continue to encounter platform stability problems and ou expect they go
> away ;).
> I would just use a real hardware server, with 64 bit debian, and be happy.
> Or be prepared to debug platform hardware prolems, not depending from
> mod-gsmopen.
> This is my feeling. Obviously, I can be wrong.
> -giovanni
> On Sep 9, 2013 11:19 PM, "Jayanth Acharya" <jayachar88 at gmail.com> wrote:
>
>> Recently I replaced my Huawei E1550 with a Huawei E173-U2 modem. Both
>> modems are completely unlocked (and voice enabled), with latest firmware
>> files, as per dc-files.com site. While with Huawei E1550, I was having
>> this terrible voice-quality issue, with Huawei E173-U2, I fared much better
>> initially (last night), and my first call went through perfectly, and I got
>> connected to the IVR menu "5000". However, since I was facing
>> signal-quality issues, I used AT^SYSCFG to set the modem to 2G mode, and
>> got excellent signal. Apart from that, I don't remember making other
>> changes, but since this morning, I am getting this 100% repeatable problem,
>> where-in, once I call FS via my mobile, I see the usb-modem attached to FS
>> (gsmopen EP) ringing, and get connected, but I do not hear the IVR menu
>> anymore, but complete silence. After a while the call disconnects, and then
>> I see console log indicating that my /dev/ttyUSB2 (control port) is
>> probably dead, and as a result the /dev/ttyUSB1 and /dev/ttyUSB2 are
>> removed, and /dev/ttyUSB3 and /dev/ttyUSB4 are created. If I reconfigure
>> gsmopen.conf.xml file to use the new audio and control ports, and place
>> another call, the same thing repeats. I've attempted this across several
>> reboots, but is 100% repeatable.
>>
>> What I see in the console log:
>> http://pastebin.com/swnz4sWf
>>
>> The relevant portion of the freeswitch.log file:
>> http://pastebin.com/dNkhaGen
>>
>> Any ideas / clues as to what's up ? I tried going through the log file,
>> and what I figured is that nothing seems to be received by FS on the audio
>> port, and eventually /dev/ttyUSB2 becomes unresponsive, i.e. doesn't
>> respond to AT-commands. Not sure though.
>>
>> - Jay
>>
>> _________________________________________________________________________
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>>
>> 
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> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
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> http://wiki.freeswitch.org
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>
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