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Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager 8.5
OL-23092-01
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
.