Received knowledge
How to use a Motorola Razr V3 as a Bluetooth GPRS modem with your PocketPC - placed here in the hope that someone will google for it and find it useful.
Pair the PocketPC and the phone; if you’re using a Windows Mobile 2003, the procedure is this:
Enable Bluetooth on the phone and PDA, then go into the Bluetooth Manager and under the New menu, select Connect to Internet via Phone.