Nokia Purity Pro Wireless Stereo Headset by Monster. - When using my Bluetooth headset and Nokia Lumia phone, how do I answer an incoming call?

When using a Bluetooth headset with your Nokia Lumia phone, please use the button on the Bluetooth headset to answer the call.

Using the phone to answer a call may result in bypassing your Bluetooth headset depending on the type of Bluetooth headset you are using.