siri-voice-call-app-delegate-extension.swift

extension AppDelegate {
    
    func application(_ application: UIApplication, continue userActivity: NSUserActivity, restorationHandler: @escaping ([Any]?) -> Void) -> Bool {
        
        guard let audioCallIntent = userActivity.interaction?.intent as? INStartAudioCallIntent else {
            return false
        }
        
        if let contact = audioCallIntent.contacts?.first {
            
            if let type = contact.personHandle?.type, type == .phoneNumber {
                
                guard let callNumber = contact.personHandle?.value else {
                    return false
                }
                
                let callUrl = URL(string: "tel://\(callNumber)")
                    
                if UIApplication.shared.canOpenURL(callUrl!) {
                    UIApplication.shared.open(callUrl!, options: [:], completionHandler: nil)
                } else {
                    
                    let alertController = UIAlertController(title: nil , message: "Calling not supported", preferredStyle: .alert)
                    let okAlertAction = UIAlertAction(title: "Ok" , style: UIAlertActionStyle.default, handler:nil)
                    alertController.addAction(okAlertAction)
                    self.window?.rootViewController?.present(alertController, animated: true, completion: nil)
                }
            }
        }
        
        return true
    }
}