Cisco ASA Series Cli Configuration Manual page 1257

Chapter 1 Configuring the TLS Proxy for Encrypted Voice Inspection
Figure 1-4
The security appliance does not store the raw CTL file in the flash, rather, it parses the CTL file and
installs appropriate trustpoints.
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
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.
CTL Client TLS Proxy Features — CTL File Installed on the ASA
Figure 1-4 indicates the installation was successful.
1
Licensing for the TLS Proxy
Cisco ASA Series CLI Configuration Guide
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