(아이폰) 아이폰은 tel:.. 소스로 전화걸때 *나 #이 들어가는 것을 막아놓았다.

가끔 앱을 작성하면서 전화걸때 *이나 #을 사용해야 하는 경우가 많다

예를들어, 착신전환이나, 내선번호연결등을 사용할때... #123123 *71 같은 번호로 전화를 걸어야 하는데 아이폰은 그게 안됨

IOS Developer Library를 보면

https://developer.apple.com/library/ios/#featuredarticles/iPhoneURLScheme_Reference/Articles/PhoneLinks.html#//apple_ref/doc/uid/TP40007893-SW1

Phone Links

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To prevent users from maliciously redirecting phone calls or changing the behavior of a phone or account, the Phone application supports most, but not all, of the special characters in the tel scheme. Specifically, if a URL contains the * or # characters, the Phone application does not attempt to dial the corresponding phone number. If your application receives URL strings from the user or an unknown source, you should also make sure that any special characters that might not be appropriate in a URL are escaped properly. For native applications, use the stringByAddingPercentEscapesUsingEncoding: method of NSString to escape characters, which returns a properly escaped version of your original string.

In Safari on iOS, telephone number detection is on by default. However/.................