Thank you for the reply. Most of the Hands Free things I have seen (like this one) deal with audio. I am not really looking for audio at all and have been able to connect via Bluetooth to an Android phone with a serial connection and the Arduino IDE (not hard). I am really trying to just pick a numb...

I would like to build a simple bluetooth handset to dial and hang up phone calls (on Android it it is different with iOS). This is to be an assistive device for and elderly person and do not need (or want) audio (intend to just use the phones speaker and mic for all the audio). I am starting to look...