Technical Tip: Microsoft Teams calls dropping

[HiralShah]

Description	This article describes that Microsoft Teams calls dropping only behind FortiGate.
Scope	FortiGate.
Solution	Users are having issues with Microsoft Teams calls dropping only behind FortiGate. Check for LAN to WAN policy: Microsoft Teams uses UDP port 3478-3481 for communication. Add service with the same ports and UDP: Note: Make sure DOS policy is not dropping the packets as Microsoft teams uses UDP packets which might be getting dropped by the UDP threshold configuration, therefore lower down the threshold value for the UDP traffic. Related article: Troubleshooting Tip: The most common issues with FortiGate and Microsoft Teams