Chapter 1
Configuring the TLS Proxy for Encrypted Voice Inspection
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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.
supported in the CTL Client.
Figure 1-1
Figure 1-1
Cisco Unified IP Phone 7961
Cisco Unified IP Phone 7961G-GE
Cisco Unified IP Phone 7960
Cisco Unified IP Phone 7945
Cisco Unified IP Phone 7942
Cisco Unified IP Phone 7941
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 TLS Proxy Features — Add Firewall
shows support for adding a CTL entry consisting of the security appliance as the TLS proxy.
Information about the TLS Proxy for Encrypted Voice Inspection
Figure 1-1
through
Figure 1-4
Cisco ASA Series CLI Configuration Guide
illustrate the TLS proxy features
1-3