fix date

Author: boris-bazilevskiy

articles/communication-services/concepts/telephony/try-phone-calling.md

@@ -6,7 +6,7 @@ manager: dacarte
 services: azure-communication-services
 
 ms.author: bobazile
-ms.date: 3/24/2024
+ms.date: 4/24/2024
 ms.topic: conceptual
 ms.service: azure-communication-services
 ms.subservice: pstn