FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
HiralShah
Staff
Staff
Article Id 230203

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:

 

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- Microsoft Teams uses UDP port 3478-3481 for communication.

- Add service with the same ports and UDP:

 

HiralShah_1-1668720192125.png

 

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If there are still issues, contact TAC.

 

Related article:

https://community.fortinet.com/t5/FortiGate/Technical-Tip-Most-common-issues-with-FortiGate-and-Micr...

 

 

 

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