[Freeswitch-users] USB GSM Dongle with FreeSwitch for voice calls

rumodigital webmaster.rumodigital at gmail.com
Mon Sep 29 14:14:52 MSD 2014


I decided not to add more than five to avoid heat and maintain stability,
so working with a margin of safety devices and distance to allow for
ventilation.

Not heats and works very well.

2014-09-29 11:01 GMT+01:00 Giovanni Maruzzelli <gmaruzz at gmail.com>:

> seems a good one, with power enough to add another additional dongle, for
> a total of 5 concurrent.
>
> Do it get too much warm?
>
> -giovanni
>
> Sincerely,
>
> Giovanni Maruzzelli
> Cell : +39-347-2665618
>
> On Mon, Sep 29, 2014 at 11:57 AM, rumodigital <
> webmaster.rumodigital at gmail.com> wrote:
>
>> Hi Giovanni,
>>
>> I'm in the testing phase in a Mini ITX board (Atom D2550 + debian 7.6
>> 32b) and DUB-H7 USB HUB​. I use 4 devices simultaneously (4x 500ma = 2A)
>> and yet everything perfect!
>>
>> 7-Port USB 2.0 Hub (500ma on all seven front ports, but 3A in total)
>>
>> http://www.dlink.com/uk/en/home-solutions/connect/usb/dub-h7-7-port-usb-2-0-hub
>>
>> Do you recommend some other HUB?
>>
>> Doug
>>
>> 2014-09-29 10:23 GMT+01:00 Giovanni Maruzzelli <gmaruzz at gmail.com>:
>>
>>> all this kind of problems come from lack of USB bus electrical power.
>>>
>>> Use a wall powered (eg: with a "brick" power supply) USB hub between
>>> FreeSWITCH and dongle.
>>>
>>> No software way to go around this.
>>>
>>> And be sure the hub deliver enough power! (check the specs for your
>>> dongles power needs, add them up and use an USB hub with more than that
>>> continous power delivery).
>>>
>>> Internet dongles are power hungry !
>>>
>>> -giovanni
>>>
>>>
>>> Sincerely,
>>>
>>> Giovanni Maruzzelli
>>> Cell : +39-347-2665618
>>>
>>> On Mon, Sep 29, 2014 at 11:12 AM, rumodigital <
>>> webmaster.rumodigital at gmail.com> wrote:
>>>
>>>> Hi,
>>>>
>>>> Really, can be a major headache, many problems can be solved with the
>>>> use of a self powered USB hub... yet I had no problems, but for example
>>>> , I tested with an old pc I have, and when he received a call the
>>>> module disconnected and blocked the USB port.
>>>>
>>>> Which versions of Pi and what model of hardware that use?
>>>>
>>>> Doug
>>>>
>>>>
>>>> _________________________________________________________________________
>>>> Professional FreeSWITCH Consulting Services:
>>>> consulting at freeswitch.org
>>>> http://www.freeswitchsolutions.com
>>>>
>>>> Official FreeSWITCH Sites
>>>> http://www.freeswitch.org
>>>> http://confluence.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://confluence.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://confluence.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://confluence.freeswitch.org
> http://www.cluecon.com
>
> 
> 
>
> FreeSWITCH-users mailing list
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> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
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