Instructions
Power on your PS3.
Go to "Settings" > "Accessory Settings" > "Register Bluetooth Device" > "Register Headset/Microphone/Headphones."
Bring your cell phone within a few feet of the PS3. Enable the Bluetooth feature on the phone.
Click on "Start Scanning" on your PS3 and wait for it to find and display the name of your cell phone.
Click on the name of your cell phone on the PS3.
Type "0000" as the password when prompted. This is the default password for most Bluetooth features. The two devices are synced until you turn off the cell phone's Bluetooth.
Click on "Audio Device Settings" on your PS3 and then switch it to "Output Device" > "Cell Phone."