How to make android phone ring?

Question

I would like to make a android phone ring through code. For example a app installed and the use recieves a call a app listens for this. If a certain number calls then a specific ringtone plays. How do i go about make code to make a android phone ring?

Answer 1

Well first of all i thought it was a good question but apparently people dont understand what you are asking. I think that you want to like call the phone you are calling from or somthing like that, i dont know it is possible but heres the tutorial on phone calls, from the official android website:

http://developer.android.com/guide/topics/network/sip.html