Specifications

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Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager 8.5
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Chapter 4 Configuring Settings on the Cisco Unified IP Phone
Security Configuration Menu
CTL File Submenu
The CTL File screen includes the options that are described in Table 4-22.
If a CTL file is installed on the phone, you can access the CTL File menu by pressing the Settings button
and choosing Security Configuration > Trust List.
Table 4-22 CTL File Settings
Option Description To Change
CTL File Displays the MD5 hash of the CTL file that is
installed in the phone. If security is
configured for the phone, the CTL file installs
automatically when the phone reboots or
resets.
• A locked padlock icon in this option
indicates that the CTL file is locked.
• An unlocked padlock icon indicates
that the CTL file is unlocked.
For more information about the CTL file, refer to
Configuring the Cisco CTL Client in Cisco
Unified Communications Manager Security
Guide.
CAPF Server Common Name (from the Cisco Unified
Communications Manager Certificate) of the
CAPF used by the phone. Also displays a
certificate icon if a certificate is installed
for this server.
For more information about this server, refer to
Using the Certificate Authority Proxy Function
in Cisco Unified Communications Manager
Security Guide.
Unified CM/TFTP Server Common Name (from the Cisco Unified
Communications Manager Certificate) of a
Cisco Unified Communications Manager and
TFTP server used by the phone. Also displays
a certificate icon if a certificate is
installed for this server.
If the certificate of the TFTP (TFTP Server 1)
or the backup TFTP (TFTP Server 2) is not in
the CTL or ITL file, one of the files must be
unlocked.
For information about changing these options,
see Network Configuration Menu, page 4-5.
Application Server Common Name (from the Cisco Unified
Communications Manager Certificate) of the
trusted application server used by the phone.
Also displays a certificate icon.
A phone-trust certificate is used to
authenticate application servers with which
the phone communicates.
One Application Server menu item appears
for each phone-trust store whose certificates
have been uploaded into Cisco Unified OS
Administration and later downloaded into the
phone’s CTL file.
For more information about phone-trust
certificates, refer to the following manuals:
• Cisco Unified Communications Operating
System Administration Guide, Security.
• Cisco Unified Communication Manager
Security Guide, Security Overview.