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

Giovanni Maruzzelli gmaruzz at gmail.com
Mon Sep 29 13:23:30 MSD 2014

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 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
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