Today a new version of Skype has been made available for iOS through the iTunes App Store. Skype 6.25 for Apple's mobile operating system brings with it support for some new features and APIs found in iOS 10. First off, there's Siri. If your iDevice runs the latest iOS version, you can tell Siri to call someone through Skype. The only requirement is for that person to be among your Skype contacts. Siri may ask you to confirm she has the right person, and that's it - your call will begin. Speaking of contacts, the ones from Skype are now integrated with your phone book. This means...
Source: http://www.gsmarena.com/skype_for_iphone_and_ipad_now_supports_siri_and_new_ios_10_features-news-20763.php