[Freeswitch-users] mod_gsmopen: some success - hear crackly unintelligible announcement

Jayanth Acharya jayachar88 at gmail.com
Sun Aug 25 11:45:36 MSD 2013


Sorry, I did you mention the dongle model name/number earlier ?
And, did you ensure that it works fine for outgoing/incoming voice-calls,
MO/MT SMS's, MO/MT USSD via Huawei Mobile-Partner software in Windows ??
Don't just assume your device model to be supported... there are known
issues with certain firmware versions on the device, and certain chipsets.
Also, what Linux distro, release are you using ?


On Sun, Aug 25, 2013 at 1:13 PM, Jayanth Acharya <jayachar88 at gmail.com>wrote:

> In future pls use pastebin to upload logs, instead of attaching them to
> emails! These days people check mails on tablets etc., so large attachments
> become a problem for them :-) !  Also, might be better to run this in an
> independent thread and not use the existing threads.
>
> I see this:
> 2013-08-25 12:27:03.563390 [DEBUG] mod_gsmopen.cpp:1598 rev
> 4a3d1a0|4a3d1a0[(nil)|37     ][DEBUG_GSMOPEN  1598 ][gsm01     ][-1, 0, 0]
> controldevice_name=/dev/ttyUSB3
> 2013-08-25 12:27:03.563390 [DEBUG] mod_gsmopen.cpp:1599 rev
> 4a3d1a0|4a3d1a0[(nil)|37     ][DEBUG_GSMOPEN  1599 ][gsm01     ][-1, 0, 0]
> controldevice_audio_name=/dev/ttyUSB2
> 2013-08-25 12:27:03.563390 [DEBUG] mod_gsmopen.cpp:1601 rev
> 4a3d1a0|4a3d1a0[(nil)|37     ][DEBUG_GSMOPEN  1601 ][gsm01     ][-1, 0, 0]
> gsmopen_serial_sync_period=300
> 2013-08-25 12:27:03.563390 [ERR] gsmopen_protocol.cpp:137 rev
> 4a3d1a0|4a3d1a0[(nil)|37     ][ERRORA  137  ][gsm01     ][-1, 0, 0] port
> /dev/ttyUSB3, NOT open
>
> What does: "ls -l /dev/ttyUSB*" tell you ?
> I presume that you are running FreeSwitch as a root, or as a user that has
> been added to sudoers or similar logic to achieve root privileges at run
> time ?
> Also, did you try "wvdialconf /etc/wvdial.conf" as root ? It'll tell you
> which ports are modem ports (i.e. control ports... as against voice ports
> -- USB bulk transfer) ?
>
>
>
> On Sun, Aug 25, 2013 at 12:44 PM, Ashish Mishra <itsme.kunnu at gmail.com>wrote:
>
>> hi jayanath
>> i am attaching the error as well as the console log which i see when i
>> load mod_gsmopen in freeswitch.
>> i typed the commands:
>> console loglevel 9
>> fsctl loglevel 9
>> load mod_gsmopen
>>
>> after which the log that i received is attached in log file and the error
>> which was in red is attached in error file respectively.
>>
>> thanks
>> Ashish Mishra
>>
>>
>> On Sun, Aug 25, 2013 at 10:17 AM, Jayanth Acharya <jayachar88 at gmail.com>wrote:
>>
>>> Maybe, if you share what exactly you have tried, what worked/didn't
>>> work, with the relevant FS log messages... like I mentioned earlier, I
>>> could try to take a look.
>>> To be honest, I don't think I have encountered a very difficult problem
>>> with FS so far, so I don't think I had to do much... of course, apart from
>>> the 2 different instances of segmentation faults.
>>>
>>> PS> I created a 3rd JIRA as well, for the 2nd segmentation fault.. but I
>>> don't think you are facing seg faults.
>>>
>>>
>>>
>>> On Sun, Aug 25, 2013 at 10:14 AM, Jayanth Acharya <jayachar88 at gmail.com>wrote:
>>>
>>>> Sorry, but I don't think I understood the question. The Airtel SIM card
>>>> I am using is a 32K standard issues SIM card. Already enabled for
>>>> everything. I knew that it doesn't have a PIN enabled, which I believe is
>>>> the only requirement. The SIM has the IMSI associated with it. The dongle
>>>> has the IMEI associated with it. I just set up the standard
>>>> gsmopen.conf.xml to set the right /dev/ttyUSBx's -- figuring that out
>>>> correctly, took a while... for which I refer to a mail on this list around
>>>> use of wvdial (search the archives, as I've not kept a bookmark on it).
>>>> Rest everything was taken care of by FS.
>>>>
>>>>
>>>> On Sun, Aug 25, 2013 at 2:02 AM, Ashish Mishra <itsme.kunnu at gmail.com>wrote:
>>>>
>>>>> Thanks jayanath
>>>>> But i mean how to enable the sim u had used in the dongle for making
>>>>> calls through mod_gsmopen make and receive calls ?
>>>>>
>>>>> Regards
>>>>> Ashish Mishra
>>>>> On Aug 25, 2013 1:21 AM, "Jayanth Acharya" <jayachar88 at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Using the default dialplan. I have only 1 dongle at the moment, so
>>>>>> doing a telephone -> telephone mapping won't work (well, at least, based on
>>>>>> what I've understood so far -- I could be wrong). Tomorrow, I plan to walk
>>>>>> through the dialplan to understand it somewhat better. My eyes don't take
>>>>>> XML too kindly !!
>>>>>>
>>>>>> As such no significant changes. The only few hiccups to build, and
>>>>>> the previous segfault I got, I filed a JIRA for, and that has the steps I
>>>>>> took and my preliminary findings.
>>>>>> http://jira.freeswitch.org/browse/FS-5721
>>>>>> http://jira.freeswitch.org/browse/FS-5727
>>>>>>
>>>>>> I used a trick I found in the mail archives to use "wvdial" to
>>>>>> identify the control port. After that, set the usb ports for control/audio
>>>>>> correctly in the gsmopen.conf.xml file. After this the module started
>>>>>> getting loaded properly, but I noticed that the signal strength was too
>>>>>> low. Post that, I had to use a long USB extension cable to keep the dongle
>>>>>> outside the window, and ensured that signal strength (RSSI) was good
>>>>>> enough. After this, the rig started working.
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Sun, Aug 25, 2013 at 12:31 AM, Ashish Mishra <
>>>>>> itsme.kunnu at gmail.com> wrote:
>>>>>>
>>>>>>> Hi jaynath
>>>>>>> May i ask you what what was was the dialplan which you had used to
>>>>>>> call <any indian phone number> to <any indian phone number> in your
>>>>>>> mod_gsmopen. Also what did you do with error u received day before
>>>>>>> yesterday....???
>>>>>>>
>>>>>>> Regards
>>>>>>> Ashish Mishra
>>>>>>> On Aug 25, 2013 12:05 AM, "Jayanth Acharya" <jayachar88 at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Finally, found success with mod_gsmopen. Have to say that there's a
>>>>>>>> tonne of information in the Wiki, and it takes a newbie some time to get to
>>>>>>>> understand even the elementary things. Jumping right in, assuming defaults
>>>>>>>> to take care of everything, doesn't work. I believe that was thanks to
>>>>>>>> being connected to the conference bridge 888 at sip.freeswitch.net(if I noted the SIP URI correctly).Next tried another inbound call, and
>>>>>>>> this time, I heard only silence.
>>>>>>>>
>>>>>>>> Then I tried sending an SMS. That went out fine and was received
>>>>>>>> instantaneously by the destination number. After that, I replied back to
>>>>>>>> the dongle's number, and had a telnet session open listening on the events
>>>>>>>> (none arrived), but that telnet session was closed, and turning to the FS
>>>>>>>> console, I saw that it too had closed with a segmentation fault. So seems
>>>>>>>> like receiving the SMS precipitated a core.
>>>>>>>>
>>>>>>>> Anyone seen similar behaviour ? Should I go ahead an file another
>>>>>>>> JIRA bugreport ? File one yesterday regarding another segmentation fault.
>>>>>>>> Note, I am on Git HEAD (or was, day before, when I cloned it).
>>>>>>>>
>>>>>>>> thanks,
>>>>>>>> Jay
>>>>>>>>
>>>>>>>>
>>>>>>>> _________________________________________________________________________
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>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>
>>>>>>>> 
>>>>>>>> 
>>>>>>>>
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>>>>>>>
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>>>>>>>
>>>>>>> 
>>>>>>> 
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>>>>>>
>>>>>>
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>>>>>> http://www.freeswitchsolutions.com
>>>>>>
>>>>>> 
>>>>>> 
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>>>>>>
>>>>>
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>>>>> http://www.freeswitchsolutions.com
>>>>>
>>>>> 
>>>>> 
>>>>>
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>>>>>
>>>>
>>>
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>>>
>>> 
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>>
>> _________________________________________________________________________
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>> http://www.freeswitchsolutions.com
>>
>> 
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>
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