Recently, Microsoft has revealed how the iOS users can use the integrated appliazione Skype for Business CallKit with Apple.
First of all iPhone users will be able to accept incoming calls from Skype for Business directly from the lock screen, and all calls will look at all the effects of normal mobile phone calls with the possibility then display the name of the call on the lock screen.
The integration will also allow users to switch between a phone Skype for Business its own private phone line and other VoIP applications that support CallKit. Speaking on Skype for Business you can also shoot any incoming calls to voicemail or temporarily suspend the call on Skype for Business.
All of Skype for business calls will appear, then, to all effects such as mobile phone calls. To enjoy the full benefits of the update of Skype for Business and its integration with iOS CallKit will need to download and upgrade.