Making a call programmatically from iPhone app and returning back to the app after ending the call

Question

I am trying to initiate a call from my iphone app,and I did it the following way..

-(IBAction) call:(id)sender
{

    UIAlertView *alert = [[UIAlertView allo         


        

Answer 1

This is my code :

NSURL *url = [NSURL URLWithString:@"telprompt://123-4567-890"]; 
[[UIApplication  sharedApplication] openURL:url]; 

Use this so that after call end it will return to app.