Merge pull request #266305 from joffei/main

CTE Documentation Update

Author: v-dirichards

articles/communication-services/how-tos/calling-sdk/includes/push-notifications/push-notifications-android.md

@@ -23,6 +23,9 @@ A set of permissions is required for the Android application in order to be able
 ## Overview
 Mobile push notifications are the pop-up notifications you see on mobile devices. For calling, we'll be focusing on VoIP (Voice over Internet Protocol) push notifications. We'll register for push notifications, handle push notifications, and then un-register push notifications.
 
+> [!NOTE]
+> To Register for Push Notifications and handling of the Push Notifications for a Custom Teams Endpoint (CTE) the API's are the same. The API's described below can also be invoked on the `CommonCallAgent` or `TeamsCallAgent` class for Custom Teams Endpoint (CTE).
+
 ## Register for push notifications
 
 To register for push notifications, the application needs to call `registerPushNotification()` on a `CallAgent` instance with a device registration token.
@@ -146,4 +149,4 @@ try {
 catch(Exception e) {
     System.out.println("Something went wrong while un-registering for all Incoming Calls Push Notifications.")
 }
-```
+```

articles/communication-services/how-tos/calling-sdk/includes/push-notifications/push-notifications-ios.md

@@ -7,6 +7,12 @@ ms.author: rifox
 ---
 [!INCLUDE [Install SDK](../install-sdk/install-sdk-ios.md)]
 
+## Overview
+Mobile push notifications are the pop-up notifications you see on mobile devices. For calling, we'll be focusing on VoIP (Voice over Internet Protocol) push notifications. We'll register for push notifications, handle push notifications, and then un-register push notifications. For a guide on CallKit integration in your iOS application, refer here, [CallKit integration with iOS ACS SDK](../../callkit-integration.md).
+
+> [!NOTE]
+> To Register for Push Notifications and handling of the Push Notifications for a Custom Teams Endpoint (CTE) the APIs are the same. The APIs described can also be invoked on the `CommonCallAgent` or `TeamsCallAgent` class for Custom Teams Endpoint (CTE).
+
 ## Set up push notifications
 
 A mobile push notification is the pop-up notification that you get in the mobile device. For calling, we'll focus on VoIP (voice over Internet Protocol) push notifications. 
@@ -65,4 +71,4 @@ callAgent.unregisterPushNotification { (error) in
        print("Unregister of push notification failed, please try again")
     }
 }
-```
+```

articles/communication-services/how-tos/calling-sdk/includes/push-notifications/push-notifications-windows.md

@@ -7,6 +7,12 @@ ms.author: jsaurezlee
 ---
 [!INCLUDE [Install SDK](../install-sdk/install-sdk-windows.md)]
 
+## Overview
+Push notifications on Windows platform are delivered using `Windows Push Notification Service (WNS),`.
+
+> [!NOTE]
+> To Register for Push Notifications and handling of the Push Notifications for a Custom Teams Endpoint (CTE) the API's are the same. The API's described below can also be invoked on the `CommonCallAgent` or `TeamsCallAgent` class for Custom Teams Endpoint (CTE).
+
 ## Set up push notifications
 
 A push notification is the pop-up notification that you get in your device. For calling, we'll focus on VoIP (voice over Internet Protocol) push notifications.