The Bluetooth on Windows Phone does not support the required profile and this has various effects such as a custom ringtones are not forwarded from a device to the Bluetooth Headset (respectively set to default).
- How long does it take to start up the phone for the first time?
- What can I do to free up the phone memory on my Lumia?
- What are the known limitations with App Social Beta for Lumia phone?
- What is visual voicemail and how do I switch it on?
- What is the Windows Phone Find My Phone functionality, and how does that work?