 <p>To go back to original app you can use telprompt:// instead of tel:// - The tell prompt will prompt the user first, but when the call is finished it will go back to your app:</p> <pre><code>NSString *phoneNumber = [@"telprompt://" stringByAppendingString:mymobileNO.titleLabel.text]; [[UIApplication sharedApplication] openURL:[NSURL URLWithString:phoneNumber]]; </code></pre> <p>just an update on above answer.</p>