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I know how to call phone number (e.g.0615481129) from iPhone App using:

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel:0615481129"]];

But for phone numbers with * or #, the above line is not responding (no error message as well):

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel:*770#"]];

please help me how to enable calling USSD Code (*770#) on iOS 7 in Xcode by using Objective-C

Mohammad Kanan
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Ali Mohamed
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  • yes I did not get yet the answer I am new in iOS programming language please help me this issue how to solve this and how to enable the using ussd code in my application I am using objective c please tel me the steps do I fallow – Ali Mohamed Apr 03 '18 at 07:42
  • You got the answer. You can't. You don't like the answer, but asking again won't change the answer. – Paulw11 Apr 03 '18 at 09:54

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