Microsoft Teams is updating UDP signaling ports for Calling and Meetings to enhance efficiency. The source ports will change from 49152-65535 to 50070-50089, with the destination UDP port remaining at 3478. Rollout begins early October 2024. Admins should allow the new UDP source ports to the specified destination ports.
Applies to: Microsoft Teams
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).