[Asterisk-Users] PBX (Asterisk) <-> Cellular Phone Network

[Linus Surguy]

> >>
> >>  Some of the older cell phones use to expose either a 2-wire or 4-wire
> >>  interface via a connector on the phone (don't know about transmission
> >
> >I won't bother with any of that - purchase a Nokia Premicell (or other
> >manufacturers similar item). This device takes a normal GSM SIM card and
> >then presents a normal PSTN line interface - plug that into your normal
> >Asterisk PSTN line card - job done.
>
> I don't have time to go digging for the link, but there is at least
> one vendor who offers a hardware solution with 24 DS0 GSM cards in a
> channel bank, which you'd then connect to a T100P card.  In other
> words, it's 24 lines of cell phones in a 2u package, with minimal
> wiring hassle.  Google should show you the way...

Indeed there are - we looked at one of these for a different project, here
is some details from a German vendor:

http://www.teles-communication-systems.com/G1/G19500AN0_GSM_frame.html

Linus