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Last updated: 2024-05-20 18:13:02
    VoIP (Voice over IP) Push is a notification mechanism provided by Apple for responding to VoIP calls. Combining Apple's PushKit.framework and CallKit.framework can achieve system-level call effects. Currently, VoIP Push only supports push notifications when offline.
    Note:
    Apple requires that VoIP Push be used in conjunction with the CallKit.framework starting with iOS 13.0; otherwise, the app will crash after running.
    VoIP Push cannot reuse the general APNs push certificates, so a separate VoIP Push certificate needs to be applied for on the Apple Developer website.

    Integration effect

    Lock screen effects
    Effects of Applications in the Background
    Effects of Applications in the Background and Expanding
    
    
    
    
    
    
    
    
    

    Configuring VoIP Push

    To receive VoIP Push notifications, follow these steps:
    1. Apply for a VoIP Push certificate.
    2. Upload the certificate to the IM console.
    3. Complete the project configuration.
    4. Integrate the TUICallKitVoIPExtension component.

    Step 1: Apply for a VoIP Push certificate

    Before applying for a VoIP Push certificate, log in to the Apple Developer Centerenable your app's remote push capabilities.
    Once your AppID has Push Notification capabilities, follow these steps to apply for and configure a VoIP Push certificate:
    1. Log in to the Apple Developer Center website, click "Certificates, IDs & Profiles" in the sidebar, and go to the "Certificates, Identifiers & Profiles" page.
    
    
    
    2. Click + next to Certificates.
    
    
    
    3. In the Create a New Ceritificate tab, select VoIP Services Certificate and click Continue.
    4. In the Select an App ID for your VoIP Service Certificate tab, select your app's BundleID, and click Continue.
    5. 
    The
    system will prompt you for a Certificate Signing Request (CSR).
    6. Next, create a CSR file. Open Keychain Access on your Mac, and in the menu, choose Keychain Access > Certificate Assistant > Request a Certificate From a Certificate Authority.
    
    
    
    7. Enter your email address, common name (your name or company name), choose Save to disk, click Continue, and the system will generate a *.certSigningRequest file.
    Go back to the Apple Developer website in Step5 , click "Choose File" and upload the generated *.certSigningRequest file.
    
    
    
    8. Click Continue to generate the certificate, and click Download to download the corresponding certificate to your local device.
    9. Double-click the downloaded voip_services.cer file, and the system will import it into your keychain.
    10. Open the Keychain app, under Login > My Certificates, right-click on the created VoIP Services certificate.
    Note:
    When saving the P12 file, be sure to set a password for it.
    
    
    

    Step 2: Upload certificates to the IM Console

    Open the IM Console, select your created IM application, and follow the steps below to upload your certificates:
    1. Choose your IM application, click Go new under the Offline Push Certificate Configuration tab.
    
    2. In the Manufacturer configuration, switch to iOS, click the Add Certificate button. Then upload the VoIP certificates for both the production and development environments.
    
    Note:
    The VoIP Push Certificate itself does not distinguish between production and testing environments. Both environments use the same VoIP Push Certificate.
    The uploaded certificate name should be in English (especially avoiding brackets and other special characters).
    The uploaded certificate must have a password set, or the push notification won't be received.
    The certificate for publishing to the App Store needs to be set to the production environment; otherwise, the push notification won't be received.
    The p12 certificate you upload must be a valid and genuinely applied certificate.
    3. After the upload is completed, record the certificate ID for different environments.
    
    Note:
    The certificate IDs for the development and production environments must be strictly distinguished and filled in according to the actual environment in Step 4: Integrate the TUICallKitVoIPExtension component.

    Step 3: Complete the project configuration

    1. As shown below, confirm whether the Push Notification capability has been added to your project's capabilities.
    
    2. As shown below, please check if the Voice over IP option is enabled under Background Modes in your project's capabilities.
    

    Step 4: Integrate the TUICallKitVoIPExtension component

    Use CocoaPods to import the component, following these steps:
    1. Add the following dependency to your Podfile.
    pod 'TUICallKitVoIPExtension'
    2. Execute the command below to install the component.
    pod install
    
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
            // Override point for customization after application launch.
    // Report Certificate ID
    TUICallKitVoIPExtension.setCertificateID(CertificateID)
    return true
        }
    Note:
    If you cannot install the latest version of TUICallKit, execute the command below to update your local CocoaPods repository list.
    pod repo update

    Make a VoIP call

    If you need to make a VoIP call, you need to set the iOSPushType field of the OfflinePushInfo to TUICallIOSOfflinePushTypeVoIP when calling call. The default value is TUICallIOSOfflinePushTypeAPNs.
    Objective-C
    Java
    Dart
    Swift
    - (TUICallParams *)getCallParams {
        TUIOfflinePushInfo *offlinePushInfo = [self createOfflinePushInfo];
        TUICallParams *callParams = [TUICallParams new];
        callParams.offlinePushInfo = offlinePushInfo;
        callParams.timeout = 30;
        return callParams;
    }
    
    - (TUIOfflinePushInfo *)createOfflinePushInfo {
        TUIOfflinePushInfo *pushInfo = [TUIOfflinePushInfo new];
        pushInfo.title = @"";
        pushInfo.desc = @"You have a new call";
        // iOS push type: if you want user VoIP, please modify type to TUICallIOSOfflinePushTypeVoIP
        pushInfo.iOSPushType = TUICallIOSOfflinePushTypeVoIP;
        pushInfo.ignoreIOSBadge = NO;
        pushInfo.iOSSound = @"phone_ringing.mp3";
        pushInfo.AndroidSound = @"phone_ringing";
        // OPPO must set a ChannelID to receive push messages. This channelID needs to be the same as the console.
        pushInfo.AndroidOPPOChannelID = @"tuikit";
        // FCM channel ID, you need change PrivateConstants.java and set "fcmPushChannelId"
        pushInfo.AndroidFCMChannelID = @"fcm_push_channel";
        // VIVO message type: 0-push message, 1-System message(have a higher delivery rate)
        pushInfo.AndroidVIVOClassification = 1;
        // HuaWei message type: https://developer.huawei.com/consumer/cn/doc/development/HMSCore-Guides/message-classification-0000001149358835
        pushInfo.AndroidHuaWeiCategory = @"IM";
        return pushInfo;
    }
    
    [[TUICallKit createInstance] call:@"Mike's ID" params:[self getCallParams] callMediaType:TUICallMediaTypeVideo succ:nil fail:nil];
    TUICallDefine.OfflinePushInfo offlinePushInfo = new TUICallDefine.OfflinePushInfo();
    offlinePushInfo.setTitle("");
    offlinePushInfo.setDesc("You have receive a new call");
    // OPPO must set a ChannelID to receive push messages. This channelID needs to be the same as the console.
    offlinePushInfo.setAndroidOPPOChannelID("tuikit");
    offlinePushInfo.setIgnoreIOSBadge(false);
    offlinePushInfo.setIOSSound("phone_ringing.mp3");
    offlinePushInfo.setAndroidSound("phone_ringing"); // Note: don't add suffix
    // VIVO message type: 0-push message, 1-System message(have a higher delivery rate)
    offlinePushInfo.setAndroidVIVOClassification(1);
    // FCM channel ID, you need change PrivateConstants.java and set "fcmPushChannelId"
    offlinePushInfo.setAndroidFCMChannelID("fcm_push_channel");
    // Huawei message type
    offlinePushInfo.setAndroidHuaWeiCategory("IM");
    // IOS push type: if you want user VoIP, please modify type to TUICallDefine.IOSOfflinePushType.VoIP
    offlinePushInfo.setIOSPushType(TUICallDefine.IOSOfflinePushType.VoIP);
    
    TUICallDefine.CallParams params = new TUICallDefine.CallParams();
    params.offlinePushInfo = offlinePushInfo;
    
    TUICallKit.createInstance(context).call("mike", TUICallDefine.MediaType.Video, params, null);
    TUIOfflinePushInfo offlinePushInfo = TUIOfflinePushInfo();
    offlinePushInfo.title = "Flutter TUICallKit";
    offlinePushInfo.desc = "This is an incoming call from Flutter TUICallkit";
    offlinePushInfo.ignoreIOSBadge = false;
    offlinePushInfo.iOSSound = "phone_ringing.mp3";
    offlinePushInfo.androidSound = "phone_ringing";
    offlinePushInfo.androidOPPOChannelID = "Flutter TUICallKit";
    offlinePushInfo.androidVIVOClassification = 1;
    offlinePushInfo.androidFCMChannelID = "fcm_push_channel";
    offlinePushInfo.androidHuaWeiCategory = "Flutter TUICallKit";
    offlinePushInfo.iOSPushType = TUICallIOSOfflinePushType.VoIP;
    
    TUICallParams params = TUICallParams(offlinePushInfo: offlinePushInfo);
    TUICallKit.instance.call(callUserId, TUICallMediaType.audio, params);
    let params = TUICallParams()
    let pushInfo: TUIOfflinePushInfo = TUIOfflinePushInfo()
    pushInfo.title = "TUICallKit"
    pushInfo.desc = "TUICallKit.have.new.invitation"
    // iOS push type: if you want user VoIP, please modify type to TUICallIOSOfflinePushTypeVoIP
    pushInfo.iOSPushType = .apns
    pushInfo.ignoreIOSBadge = false
    pushInfo.iOSSound = "phone_ringing.mp3"
    pushInfo.androidSound = "phone_ringing"
    // OPPO must set a ChannelID to receive push messages. This channelID needs to be the same as the console.
    pushInfo.androidOPPOChannelID = "tuikit"
    // FCM channel ID, you need change PrivateConstants.java and set "fcmPushChannelId"
    pushInfo.androidFCMChannelID = "fcm_push_channel"
    // VIVO message type: 0-push message, 1-System message(have a higher delivery rate)
    pushInfo.androidVIVOClassification = 1
    // HuaWei message type: https://developer.huawei.com/consumer/cn/doc/development/HMSCore-Guides/message-classification-0000001149358835
    pushInfo.androidHuaWeiCategory = "IM"
    params.userData = "User Data"
    params.timeout = 30
    params.offlinePushInfo = pushInfo
    TUICallKit.createInstance().call(userId: "123456", callMediaType: .audio, params: params) { } fail: { code, message in }

    Call from the system call log

    If you want to initiate a one-on-one audio or video call directly by clicking the call record in the System Phone > Recent Calls list, you need to use the callWith method in the TUICallKitVoIPExtension component in the Application lifecycle callback function. Here's an example:
    Note:
    Only supports dialing one-on-one audio and video calls directly.
    The logged-in account must be the same account.
    1. On iOS 13 (and later versions) with SceneDelegate support, and with a minimum compatibility version prior to iOS 13, you need to implement the following methods in AppDelegate and SceneDelegate respectively.
    // Implementation in AppDelegate for handling versions before iOS 13
    - (BOOL)application:(UIApplication *)application continueUserActivity:(nonnull NSUserActivity *)userActivity restorationHandler:(nonnull void (^)(NSArray<id<UIUserActivityRestoring>> * _Nullable))restorationHandler {
    [TUICallKitVoIPExtension callWith:userActivity];
        return YES;
    }
    
    // Implementation in SceneDelegate
    - (void)scene:(UIScene *)scene willConnectToSession:(UISceneSession *)session options:(UISceneConnectionOptions *)connectionOptions {
        [connectionOptions.userActivities enumerateObjectsUsingBlock:^(NSUserActivity * _Nonnull userActivity, BOOL * _Nonnull stop) {
         [TUICallKitVoIPExtension callWith:userActivity];
        }];
    }
    
    - (void)scene:(UIScene *)scene continueUserActivity:(NSUserActivity *)userActivity {
    [TUICallKitVoIPExtension callWith:userActivity];
    }
    2. On iOS 13 (and later versions) without SceneDelegate, you only need to implement the following method in AppDelegate.
    - (BOOL)application:(UIApplication *)application continueUserActivity:(nonnull NSUserActivity *)userActivity restorationHandler:(nonnull void (^)(NSArray<id<UIUserActivityRestoring>> * _Nullable))restorationHandler {
    [TUICallKitVoIPExtension callWith:userActivity];
        return YES;
    }

    Frequently Asked Questions

    Can't receive VoIP Push ?

    1. First, check if the App's running environment and the certificate environment are consistent, and if the certificate ID matches. If they are inconsistent, you won't be able to receive push notifications.
    2. Please make sure your currently logged-in account is offline: press the home key to switch to the background, or log in and then manually kill the process to exit. VoIP Push currently only supports push notifications in offline mode.
    3. Check if Step 3: Complete the Project Configuration is done correctly.
    4. Try restarting the test phone to clear the system cache and memory.
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