Is there is any way to get the mobile phone number using bluetooth?

Question

This is my friend's interview question.

Is there is any way to get the mobile phone number using Bluetooth?. There is a mobile phone A it connect with the another mobile phone B through Bluetooth. How to get the mobile phone number of B in Mobile phone A via Bluetooth.

The above situation is possible in j2me ?

Answer 1

Its not possible using java-me