fix validation warnings

fixed redirect and two files

Author: vac0224

articles/communication-services/.openpublishing.redirection.communication-services.json

@@ -452,7 +452,7 @@
             "redirect_document_id": false
         },
         {
-            "source_path_from_root": "articles/communication-services/concepts/troubleshooting-codes.md",
+            "source_path_from_root": "/articles/communication-services/concepts/troubleshooting-codes.md",
             "redirect_url": "/azure/communication-services/resources/troubleshooting/voice-video-calling/troubleshooting-codes",
             "redirect_document_id": false
         }

articles/communication-services/concepts/analytics/logs/voice-and-video-logs.md

@@ -709,7 +709,8 @@ Each participant can have many different media statistics metrics for a call. Th
 
 ### Error codes 
 
-The `participantEndReason` property contains a value from the set of Calling SDK error codes. You can refer to these codes to troubleshoot issues during the call, for each endpoint. See [Troubleshooting call end response codes for Calling SDK, Call Automation SDK, PSTN, Chat SDK, and SMS SDK](../../troubleshooting-codes.md).
+The `participantEndReason` property contains a value from the set of Calling SDK error codes. You can refer to these codes to troubleshoot issues during the call, for each endpoint. See [Troubleshooting call end response codes for Calling SDK, Call Automation SDK, PSTN, Chat SDK, and SMS SDK](../../../resources/troubleshooting/voice-video-calling/troubleshooting-codes.md).
+
 
 ## Next steps
 

articles/communication-services/concepts/telephony/troubleshooting-pstn-call-failures.md

@@ -51,7 +51,7 @@ For all other `ParticipantEndSubCode` responses that don't start with **560**, t
 
 ## Detailed information on individual error codes
 
-For more information about common error codes and suggested actions, see [Troubleshooting call end response codes for Calling SDK, Call Automation SDK, and PSTN calls](../troubleshooting-codes.md).
+For more information about common error codes and suggested actions, see [Troubleshooting call end response codes for Calling SDK, Call Automation SDK, and PSTN calls](../../resources/troubleshooting/voice-video-calling/troubleshooting-codes.md).
 
 ## Related articles
 

articles/communication-services/concepts/voice-video-calling/troubleshoot-web-voip-quality.md

@@ -92,7 +92,7 @@ For more information, see [End of Call Survey overview](end-of-call-survey-conce
 
 For more information about using Call Quality Dashboard (CQD) to view interop call logs, see [Use CQD to manage call and meeting quality in Microsoft Teams](/microsoftteams/quality-of-experience-review-guide).
 
-For more information about Calling SDK error codes, see [Troubleshooting in Azure Communication Services](../troubleshooting-codes.md). You can use these codes to help determine why a call ended with disruptions.
+For more information about Calling SDK error codes, see [Troubleshooting in Azure Communication Services](../../resources/troubleshooting/voice-video-calling/troubleshooting-codes.md). Use these codes to help determine why a call ended.
 
 To ensure smooth functioning of the application and provide better user experience, app developers should follow a checklist. For more information, see the [Checklist for advanced calling experiences in web browsers - Microsoft Community Hub](https://techcommunity.microsoft.com/t5/azure-communication-services/checklist-for-advanced-calling-experiences-in-web-browsers/ba-p/3266312).