Firewall Traversal - Cisco TelePresence Administrator's Manual

This section describes how to configure your VCS Control and VCS Expressway in order to traverse
firewalls.
About firewall traversal
Configuring a traversal client and server
Configuring ports for firewall traversal
Firewall traversal and authentication
Configuring Expressway and traversal endpoint communications
About ICE and TURN services
Cisco VCS Administrator Guide (X8.1.1)

Firewall traversal

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