Step 1 - Press the home button on the right side of the phone. Then, use the directional buttons to arrow over to BToE and select it.
Step 2 - More than likely the phone will be in Manual mode when you get here, Select the Pairing Mode setting
Step 3 - Change it from manual to Auto, then press the back button once Auto has a check mark
Step 4 - Now, press the home button until you are back to the main screen with your favorites.
Step 5 - You're all done enabling BToE. Read the article on signing into your desk phone through BToE