"MarkAren" <markaren10@yahoo.com> wrote in message
news:1187846710.027626.39270@q4g2000prc.googlegrou ps.com...
> Hi all,
>
> Can anyone point me at a FAQ, or give me a quick tutorial on this
> subject.
Hi.
Try starting with the various air interface standards that are out there.
>
> It looks like the modems use The Reverse Control Channel (RECC),
> normally reserved for dialing in the AMPS system. How is this data
> intercepted as data, not a phone number ?
Probably something in the header
>
> I assume that a similar scheme is possible using CDMA ?
Yes
http://www.aeris.net/radio_providers.html
From that page you have links to the modem manufatures web pages
>
> All pointer appreciated.
>
> Thanks,
>
> Mark.
>