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I know it is possible to dial an extension after you have dialed a phone number from an app but I am not finding a way to add *67 or call blocking in front of a phone number for my IOS app. I have tried different variations of this but nothing has worked. Does anyone know if this is possible or does Apple not support such a feature?

user3728381
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No, it is not possible.

You cannot make the iPhone dial a * or a # using a tel URL. Apple documents its support for tel URLs in the Apple URL Scheme Reference, which says this:

Specifically, if a URL contains the * or # characters, the Phone app does not attempt to dial the corresponding phone number.

rob mayoff
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  • THank you for you response. I was hoping that was not the case and there was a way around it. I have already submitted a feature request to Apple based on this. – user3728381 Aug 21 '14 at 20:56
  • probably they will not support your request as it would be possible to send codes so for the security reasons they won't add it I guess – Julian Aug 21 '14 at 21:41