Create turn-retirement.md

Author: tomaschladek

articles/communication-services/includes/turn-retirement.md

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+---
+author: tomaschladek
+ms.author: tchladek
+ms.service: azure-communication-services
+ms.topic: include
+ms.date: 1/1/2024
+---
+> [!IMPORTANT]
+> Azure Communication Services Network Traversal (TURN) Public Preview is retiring. Azure Communication Services Network Traversal (TURN) currently provides tokens to access our Transport Relays to use data transfer services. After 31 March 2024, your TURN issued tokens will no longer be supported. Please transition to a third-party service before this date to avoid service disruption. If you have questions, get answers from community experts in  [Microsoft Q&A](https://aka.ms/AAjoeog). If you have a support plan and require further assistance please create a [support ticket](https://portal.azure.com/#view/Microsoft_Azure_Support/HelpAndSupportBlade/~/overview).