How to create iphone app to call via wifi/3g (VoIP)?

Question

I want to developed an iphone app, allow to call via wifi/3g. Please provide me example statement to:

How to Client send request to sip provider? How to Sip provider establish a connection to other Client?

thanks,

This involves many 10's of thousands of lines of source code, too much to post here. Start reading. — hotpaw2, Oct 31 '11 at 17:05
thanks hotpaw2. can you post link for reading or download source code? — HaiTran, Nov 01 '11 at 04:19

score 0 · Answer 1 · answered Oct 31 '11 at 15:57

0

You should definitely take a look at this project: pjsip that will give you a strong starting point for your application.

answered Oct 31 '11 at 15:57

Oscar Gomez

1 Answers1