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17-3
Cisco ASA Series Firewall CLI Configuration Guide
Chapter 17 Configuring the TLS Proxy for Encrypted Voice Inspection
Information about the TLS Proxy for Encrypted Voice Inspection
• Cisco Unified IP Phone 7941G-GE
• Cisco Unified IP Phone 7940
• Cisco Unified Wireless IP Phone 7921
• Cisco Unified Wireless IP Phone 7925
• Cisco IP Communicator (CIPC) for softphones
CTL Client Overview
The CTL Client application supplied by Cisco Unified CallManager Release 5.1 and later supports a TLS
proxy server (firewall) in the CTL file. Figure 17-1 through Figure 17-4 illustrate the TLS proxy features
supported in the CTL Client.
Figure 17-1 CTL Client TLS Proxy Features — Add Firewall
Figure 17-1 shows support for adding a CTL entry consisting of the security appliance as the TLS proxy.