When use callkit, video button in callkit pannel is abnormal. Here are some case: iOS117 & incoming call: video button disable iOS17 & outgoing call: video button disable iOS16 & incoming call: video button enable iOS16 & outgoing call: video button disable will appricate for help! Core code: private func configureCallKit() { let configuration = CXProviderConfiguration(localizedName: "CallkitTesting") configuration.supportsVideo = true // 是否支持视频通话 configuration.supportedHandleTypes = [.generic] configuration.maximumCallGroups = 1 configuration.maximumCallsPerCallGroup = 1 provider = CXProvider(configuration: configuration) provider.setDelegate(self, queue: nil) } func startOutgoing() { let handle = CXHandle(type: .generic, value: "!!!!!!") let startCallAction = CXStartCallAction(call: UUID(), handle: handle) let transaction = CXTransaction(action: startCallAction) CXCallController().request(transaction) { error in if let error = error { print("Error requesting transaction: \(error.localizedDescription)") } else { print("Transaction requested successfully") } } }