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

[Giovanni Maruzzelli]

Eg: is not the cpu the problem, but the quality of usb subsystem.
As per the OS, Freeswitch (and mod-gsmopen) is primarily developed on
debian, so it is a safe bet.
On Sep 10, 2013 8:37 AM, "Giovanni Maruzzelli" <gmaruzz at gmail.com> wrote:

> Is the usb subsystem. So it can be chipset, power supply, internal wiring,
> etc.
> On Sep 10, 2013 7:32 AM, "Jayanth Acharya" <jayachar88 at gmail.com> wrote:
>
>> Thanks Giovanni. I will try with alternative PC (afraid that I don't have
>> a server handy), and with external powered USB2.0 hub (good quality one).
>> Probably with try to get hold of alternate dongle as well.
>>
>> Since people have managed to get such rigs working with puny hardware
>> like RaspberryPi, I feel that I am perhaps missing some very fundamental
>> step somewhere, or is a case of plain bad luck with the particular hardware
>> I procured.
>>
>>
>> On Tue, Sep 10, 2013 at 3:41 AM, Giovanni Maruzzelli <gmaruzz at gmail.com>wrote:
>>
>>> 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
>>>>
>>>>
>>>> _________________________________________________________________________
>>>> Professional FreeSWITCH Consulting Services:
>>>> consulting at freeswitch.org
>>>> http://www.freeswitchsolutions.com
>>>>
>>>> 
>>>> 
>>>>
>>>> Official FreeSWITCH Sites
>>>> http://www.freeswitch.org
>>>> http://wiki.freeswitch.org
>>>> http://www.cluecon.com
>>>>
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>>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> 
>>> 
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://wiki.freeswitch.org
>>> http://www.cluecon.com
>>>
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
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>>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>>
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