[asterisk-users] How to hookup to cell phone for outbound calls?

[Michael Graves]

On Thu, 07 Feb 2008 00:14:07 +0000, Ed W wrote:

>Sam Tam wrote:
>> Well I think you need a GSM Gateway
>> You can find some info on cyber-telecom.net
>> For a cheap option you can try a CT-G1000 or CT-G2000 and then plug it in a
>> X100P or something similar then it would be very economical.
>>   
>
>Yep, this is the kind of thing I am after, except my hardware PBX has 
>limited connectivity and ideally I want a USB or ethernet hookup to the 
>box..?
>
>The scenario is basically a small commercial PBX (small form factor) 
>which can be supplied with IP phones and will talk out via a cell phone 
>channel (or via a satellite phone if that's the only option available, 
>but this is out of scope of this question).  So basically I want to 
>figure out some options to hookup a GSM cellphone channel to a small 
>form factor asterisk PBX which has limited expansion options (ethernet, 
>USB and mini-PCI - although prefer to use the later for a wifi card...)
>
>I only need a single channel of GSM right now (and a single SIM)
>
>Any thoughts?  Remember this needs to be production quality and priced 
>sensible for a commodity market
>
>Thanks for pointers to hardware

Then use a Sipura SPA-3000 instead of the X100 card. It's a
freestanding FXO/FXS <> SIP interface. Well proven. Not overly
expensive.

Hardware based SIP<>GSM gateways seem to start at around $250 US. See
www.voip-info.org for a list.

Michael
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