Cisco 7925G - Unified Wireless IP Phone VoIP Panduan Administrasi - Halaman 15

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Halaman Cetak
Cisco 7925G - Unified Wireless IP Phone VoIP Panduan Administrasi
Cisco Unified Wireless IP Phone
Topic
Changing the TFTP Server 1 or TFTP
Server 2 option on the phone when security
is implemented
Items on the Security Configuration menu
on the phone
Unlocking the CTL file
Disabling access to phone web pages
Troubleshooting
Resetting or restoring the phone

Supported Security Features

The following table provides an overview of the security features that the Cisco Unified Wireless IP Phone
supports. For more information about these features and about Cisco Unified Communications Manager and
Cisco Unified IP Phone security, see Cisco Unified Communications Manager Security Guide.
For information about current security settings on a phone, choose SETTINGS > System Configuration >
Security. For more information, see
Most security features are available only if a certificate trust list (CTL) is installed on the phone. For more
Note
information about the CTL, see "Configuring the Cisco CTL Client" chapter in the Cisco Unified
Communications Manager Security Guide.
Table 3: Security Features Description
Feature
Image authentication
Reference
See
Network Profiles
See
Display Security Configuration Screen
See
CTL File Screen
See
Product-Specific Fields for Cisco Unified Wireless IP Phone
7925G, 7925G-EX, and 7926G
See
Common Phone Status Messages
See Cisco Unified Communications Manager Security Guide,
Troubleshooting chapter
See
Reset Phone to Factory Defaults
Display Security Configuration
Description
Prevents tampering with the firmware image before it is loaded on a phone
by using signed binary files (with the extension.sbn). Tampering with the
image causes a phone to fail the authentication process and reject the new
image.
Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide
Supported Security Features
Screen.
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