PS3 Headset Question

[Ruin]

If I buy a wireless headset for PS3, how does it work exactly? Like you dont plug anything into the ps3 usb? How does it not interfere with cell phones etc in the house? And what button do you use on ps3 controller to start talking? I want it for COD4 but as the default controls there isnt a button left over for mic action?

[Grandcross]

PS3 uses a technology called bluetooth for wireless connectivity. No need to plug in any adapter or dongle. Most games theres no push to talk button, your voice is just transmitted when it senses your voice. I'm not sure if that works in Call of Duty 4 though.

[Crizto]

You just need to connect your Bluetooth Headset with your PS3 through the wireless function. You can connect them under the Accessory option on the main screen. Once you connect and sync them up, it will always work. Just need to turn on your headset every time you play. There's no push-to-talk, it's voice triggered.

[Ruin]

I got a Jabra BT125 Headset, did the register thing on the ps3 accesory screen. But I still cant get it to work on COD4, Ive tried it both ways but if the blue light flashing is it on or off..? And some other thing im missing to get it to work on COD4?