[arm-allstar] 3G Dongle with Hamvoip on PI

[Rachid Karroo]

Hi Doug
I think it would be good to have a How To just as another connectivity
option.

73s

Rachid
3B8FP

On Fri, Jul 19, 2019 at 9:13 PM "Doug Crompton via ARM-allstar" <
arm-allstar at hamvoip.org> wrote:

> It sounds like maybe there should be a howto on this and from your
> description I guess one could be created. The problem I see is the
> complexity of it over just using a hotspot. The advantage would be more
> self contained and once it was setup it should just work anywhere you have
> cell service with that provider. But as was pointed out the carriers are
> constantly changing things and at least the hotspot method to a phone or
> external device should always be there.
>
>
> *73 Doug*
>
> *WA3DSP*
>
> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>
> On Fri, Jul 19, 2019 at 12:55 PM "Lawrence Roney via ARM-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
> > Hi Rachid,
> >
> > If I understand correctly, you want to use a cellular dongle (USB modem)
> > that plugs into the Pi, vs. an external cellular/Wi-Fi hotspot.  I've had
> > good success with a Huawei E397u-53 dongle for this purpose.  It is
> > self-contained, powered directly from the Pi, and does not require the
> use
> > of Wi-Fi from a separate hotspot device.
> >
> > In the USA, I have it activated on a T-Mobile LTE, unlimited $10 per
> month
> > plan (2GB high speed, then rate limited, but the limited speed is more
> than
> > adequate for Allstar VoIP traffic)
> >
> > To set it up:
> > You need to install the USB Modeswitch utility to force the dongle into
> > modem mode.  They usually start out in CD ROM emulation mode to load
> their
> > Windows drivers, etc.   This is done with:  pacman -S usb_modeswitch
> >
> > Then, install a PPP stack on the Pi with:  pacman -S ppp   (this may
> > already be included in the recent HamVoIP distribution)
> >
> > You will need to create an /etc/chatscripts/carrier_name configuration
> > file  (where "carrier_name" is the name of your cell provider, ex.
> Verizon,
> > T-Mobile etc.)  This file sends the connection setup, "AT" commands to
> the
> > modem's dialer and looks for the expected responses.  This file also
> > contains the carrier specific access point name (APN) information that
> > tells the modem what to "dial" to join the carrier's mobile data network.
> > For example, my T-Mobile chatscript file has the line:  OK
> > AT+CGDCONT=1,"IP","fast.t-mobile.com"   YOU WILL NEED TO RESEARCH YOUR
> > CARRIER'S SPECIFIC APN AND THE ZTE MODEM COMMANDS
> >
> > You will need to create an /etc/ppp/peers/carrier_name file.  This file
> > contains the configuration settings for the PPP session.
> >
> > Archlinux will create a new ppp0 interface for the modem.  (Note: Make
> > sure the eth0 interface is set to DHCP and is unplugged, otherwise the
> > default route will not change to ppp0)
> >
> > To connect, at the Linux prompt start the PPP session by typing: pon
> > carrier_name   (where "carrier_name" is the filename of the chatscript
> and
> > peers files created in the previous steps)
> >
> > To disconnect, at the Linix prompt, type: poff
> >
> > On my Pi, I added automatic startup configurations in /etc/rc.local and
> > on-demand DTMF macro sequences in /etc/asterisk/rpt.conf  to bring
> up/down
> > the PPP connection.
> >
> > Hope this helps to get you started.  Email me directly if you would like
> > specific notes and chatscript file examples for how I setup the Huawei
> > E397u-53 (available on Amazon) for use on the US T-Mobile LTE network.
> >
> > 73,
> > Lawrence - N6YFN
> >
> >
> >
> > _______________________________________________
> >
> > ARM-allstar mailing list
> > ARM-allstar at hamvoip.org
> > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
> >
> > Visit the BBB and RPi2/3 web page - http://hamvoip.org
> >
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>
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>