Cisco Unified Communication Trusted Firewall Control

Table Of Contents

Cisco Unified Communication Trusted Firewall Control

Prerequisites for Cisco Unified Communications Trusted Firewall Control

Configuring Cisco Unified Communication Trusted Firewall Control

Cisco Unified Communication Trusted Firewall Control

Cisco Unified Communications Trusted Firewall Control pushes intelligent services onto the network through a Trusted Relay Point (TRP) firewall. Firewall traversal is accomplished using Session Traversal Utilities for NAT(STUN) on a TRP collocated with a Cisco Unified Communications Manager Express (Cisco Unified CME) or a Cisco Unified Border Element.

Prerequisites for Cisco Unified Communications Trusted Firewall Control

Cisco Unified Border Element

•Cisco IOS Release 12.4(22)T or a later release must be installed and running on your Cisco Unified Border Element.

Cisco Unified Border Element (Enterprise)

•Cisco IOS XE Release 3.3S or a later release must be installed and running on your Cisco ASR 1000 Series Router.

Configuring Cisco Unified Communication Trusted Firewall Control

To enable this feature, see the "Cisco Unified Communications Trusted Firewall Control" feature guide.

Detailed command information for the stun, stun flowdata agent-id, stun flowdata keepalive, stun flowdata shared-secret, stun usage firewall-traversal flowdata, voice-class stun-usage commands is located in the Cisco IOS Voice Command Reference.