Fix links

Author: pavelprystinka

articles/communication-services/quickstarts/ui-library/get-started-calling-with-chat.md

@@ -34,13 +34,13 @@ To build and run your app on the device.
 
 ### More features
 
-The list of [use cases](../../../../concepts/ui-library/ui-library-use-cases.md) has detailed information about more features.
+The list of [use cases](../../concepts/ui-library/ui-library-use-cases) has detailed information about more features.
 
 ## Add notifications to your mobile app
 
-Azure Communication Services integrates with [Azure Event Grid](../../../../../event-grid/overview.md) and [Azure Notification Hubs](../../../../../notification-hubs/notification-hubs-push-notification-overview.md), so you can [add push notifications](../../../../concepts/notifications.md) to your apps in Azure. You can use push notifications to send information from your application to users' mobile devices. A push notification can show a dialog, play a sound, or display an incoming call UI.
+Azure Communication Services integrates with [Azure Event Grid](../../../event-grid/overview) and [Azure Notification Hubs](../../../notification-hubs/notification-hubs-push-notification-overview), so you can [add push notifications](../../concepts/notifications) to your apps in Azure. You can use push notifications to send information from your application to users' mobile devices. A push notification can show a dialog, play a sound, or display an incoming call UI.
 
 
 ## Next steps
 
-- [Learn more about the UI Library](../../concepts/ui-library/ui-library-overview.md)
+- [Learn more about the UI Library](../../concepts/ui-library/ui-library-overview)

articles/communication-services/quickstarts/ui-library/includes/get-started-calling-with-chat/android.md

@@ -150,7 +150,7 @@ To initialize the Call composite:
     - Replace `USER_ACCESS_TOKEN` with your token.
 
 ### Get a Teams meeting chat thread for a Communication Services user
-The Teams meeting details can be retrieved using Graph APIs, detailed in [Graph documentation](../../../../graph/api/onlinemeeting-createorget?tabs=http&view=graph-rest-beta&preserve-view=true). The Communication Services Calling SDK accepts a full Teams meeting link or a meeting ID. They're returned as part of the `onlineMeeting` resource, accessible under the [joinWebUrl](../../../../graph/api/resources/onlinemeeting?view=graph-rest-beta&preserve-view=true) property
+The Teams meeting details can be retrieved using Graph APIs, detailed in [Graph documentation](../../../../graph/api/onlinemeeting-createorget). The Communication Services Calling SDK accepts a full Teams meeting link or a meeting ID. They're returned as part of the `onlineMeeting` resource, accessible under the [joinWebUrl](../../../../graph/api/resources/onlinemeeting) property
 
 With the Graph APIs, you can also obtain the threadID. The response has a chatInfo object that contains the threadID.
 

articles/communication-services/quickstarts/ui-library/includes/get-started-calling-with-chat/ios.md

@@ -101,7 +101,7 @@ To initialize the composite:
     - Replace `USER_ACCESS_TOKEN` with your token.
 
 ### Get a Teams meeting chat thread for a Communication Services user
-The Teams meeting details can be retrieved using Graph APIs, detailed in [Graph documentation](../../../../graph/api/onlinemeeting-createorget?tabs=http&view=graph-rest-beta&preserve-view=true). The Communication Services Calling SDK accepts a full Teams meeting link or a meeting ID. They're returned as part of the `onlineMeeting` resource, accessible under the [joinWebUrl](../../../../graph/api/resources/onlinemeeting?view=graph-rest-beta&preserve-view=true) property
+The Teams meeting details can be retrieved using Graph APIs, detailed in [Graph documentation](../../../../graph/api/onlinemeeting-createorget). The Communication Services Calling SDK accepts a full Teams meeting link or a meeting ID. They're returned as part of the `onlineMeeting` resource, accessible under the [joinWebUrl](../../../../graph/api/resources/onlinemeeting) property
 
 With the Graph APIs, you can also obtain the threadID. The response has a chatInfo object that contains the threadID.
 ```swift