Setup MV-370 GSM Gateway with Asterisk
Note: Found this handy help article on how to setup a approx. $150 GSM gateway from ebay to work with your Asterisk PBX. Internally on our office we are going to be deploying a GSM gateway to get a couple employees' cellphones without the big bills and the ability to test this concept out.
"The GSM gateway MV-370 is manufactured by http://www.portech.com.tw/.
It's main interest in comparison with other gateways is that it is GSM to SIP (not FXS), so voice quality is very good.
Another point of interest is the price (around $150 on ebay).
With that gateway properly configured, you are able to receive calls from GSM to Asterisk (including DISA) and to give calls from Asterisk to GSM network.
"
Usage
Your mobile <----gsm network----> MV-370 <--lan--> Asterisk <--internet--> VOIP provider <--whatever--> landline
To do such a call, you just call your MV-370 number (it has its own simcard), then you get an invitation tone, then you dial the number which is handled by Asterisk.
If you have some special deals with your mobile operator, like free special number, you can call your MV-370 for free. You can then call all around the world from your mobile at voip cost :-)
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Posted to Asterisk Help