[asterisk-users] Asterisk GSM Gateway Project

[Gordon Henderson]

On Sun, 22 Jun 2008, Michael Graves wrote:

> I have a small Portech GSM gateway. It works well. It's GSM<>SIP which
> seems to me a better solution than FXO/FXS type interfaces. They make
> gateways up to 32 port for E-1 interconnect.

I've used a 2-channel one too. They also do 4-channels ones - relatively 
economical too - compared to PCI cards, and as they're Ethernet/SIP based 
then in-theory you can put dozens of them online with no need for drivers, 
or PCI slots, etc.

Gordon