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Cisco ASA Series CLI Configuration Guide
Chapter 1 Configuring the TLS Proxy for Encrypted Voice Inspection
Licensing for the TLS Proxy
Figure 1-4 CTL Client TLS Proxy Features — CTL File Installed on the ASA
The security appliance does not store the raw CTL file in the flash, rather, it parses the CTL file and
installs appropriate trustpoints. Figure 1-4 indicates the installation was successful.
Licensing for the TLS Proxy
The TLS proxy for encrypted voice inspection feature supported by the ASA require a Unified
Communications Proxy license.
The following table shows the Unified Communications Proxy license details by platform:
Note This feature is not available on No Payload Encryption models.
Model License Requirement
1
ASA 5505 Base License and Security Plus License: 2 sessions.
Optional license: 24 sessions.
ASA 5510 Base License and Security Plus License: 2 sessions.
Optional licenses: 24, 50, or 100 sessions.
ASA 5520 Base License: 2 sessions.
Optional licenses: 24, 50, 100, 250, 500, 750, or 1000 sessions.
ASA 5540 Base License: 2 sessions.
Optional licenses: 24, 50, 100, 250, 500, 750, 1000, or 2000 sessions.
ASA 5550 Base License: 2 sessions.
Optional licenses: 24, 50, 100, 250, 500, 750, 1000, 2000, or 3000 sessions.