Zoom managed room systems dropping from Teams meetings

Issue

SIP/H.323 devices managed via the enhanced Zoom Connector are disconnected from Microsoft Teams meetings after 10 minutes.

Environment

This issue affects room systems registered to the Zoom SIP proxy through the enhanced Zoom Connector.

Cause

The issue arises when the TCP session timeout configured on a firewall is below the recommended minimum threshold.

Resolution

To resolve the issue, configure the TCP session timeout to at least 180 seconds. For optimal performance, set the timeout to 240 seconds.