I can only assume that the interest in the iPhone will also raise interest in bluetooth headsets (the current bling amongst the "in crowd") and will result in many people having headsets that they will have forgotten how to pair them with their cellphones.
Here are the pair instructions and pairing code for some of the more stylish line of headsets from Sony Ericsson - called the HBH series:
To pair the headset in manually pairing mode:If this helped you out, consider returning the favor ... donate $1 via Paypal ... look to the right of every page.
1. Press both VOLUME BUTTONS, (+) and (-), at the same time for 5 seconds until your hear a beep.
2. The indicator light will now flash red and green, which indicates that the headset is in “Pairing mode”.
3. In the phone, you now have to add the headset to the phone's list of Bluetooth devices. For detailed instructions, click on Product Information/Getting Started in the left hand navigation menu, or use the phone's user guide.
4. You have to enter a Bluetooth passkey in the phone. The default passkey is 0000.