Fix links

Author: pavelprystinka

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

@@ -43,4 +43,4 @@ Azure Communication Services integrates with [Azure Event Grid](../../../event-g
 
 ## Next steps
 
-- [Learn more about the UI Library](../../concepts/ui-library/ui-library-overview)
+- [Learn more about the UI Library](../../concepts/ui-library/ui-library-overview.md)

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). 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
+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.