How do iphone Bluetooth devices

I want an iphone Bluetooth devices, similar to iphoe Bluetooth keyboard is running an application through iphone bluetooth commands to send signals that I need to do on the iphone Bluetooth receiver that is feasible yet the main problem is:..?
1 How the Bluetooth receiver connected to the iphone Bluetooth transmitter.
2. Iphone iphone application software calls Bluetooth drivers.

Reply:

The reply was deleted at 2009-10-19 10:41:36 moderator

Reply:

The reply was deleted at 2009-10-19 10:46:32 moderator

Reply:

The reply was deleted at the moderator 2011-01-12 13:59:06