Hello Howard,
You could send and recive simple SMS trough a mobile phone.
Search on Google on SMS, Hayes, AT+C, GSM07.07 and GSM07.05. Standard
comunication to interface to mobile phones.
Yes you can do it with a PIC and RS232.

Niklas

-----Ursprungligt meddelande-----
Fr=E5n: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.ED=
U]
F=F6r brah
Skickat:        den 23 februari 2002 12:22
Till:   PICLIST@MITVMA.MIT.EDU
=C4mne: [PIC]:m2m mobile phone

Hi all
Has anyone done data transfer over a mobile phone in Australia?
I've had a look and Nokia and Ericsson make a gadget that I presume acts
like a mobile phone, but the transmission data (voice or tones)is
accessable via RS232.
I was wondering (probably just tooooo simple) can you plug in a SIM
card, and it becomes a modem on the mobile phone network?  Could one
attach a PIC with a UART, and RS232 chips (Maxim etc) and get it to work
just like a radio link?  All I need to do is send a couple of simple
commands and get some simple results back.  I anticipate a few bytes
both ways.
Or am I right off the planet?
Any pointers to informnation would be appreciated.
Regards
Howard Simpson

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.