Providing users with feature information – Cisco 7912G User Manual
Page 38
Chapter 1 An Overview of the Cisco Unified IP Phone
Understanding Security Features for Cisco Unified IP Phones
1-10
Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.0 (SIP), Cisco Unified IP Phones
OL-8131-01
Providing Users with Feature Information
If you are a system administrator, you are likely the primary source of information
for Cisco Unified IP Phone users in your network or company. To ensure that you
distribute the most current feature and procedural information, familiarize
yourself with Cisco Unified IP Phone documentation. Make sure to visit the
Cisco Unified IP Phone web site:
From this site, you can view and order various user guides, including wallet cards.
For complete ordering information, see the
“Obtaining Documentation” section
In addition to providing documentation, it is important to inform users of
available Cisco Unified IP Phone features—including features specific to your
company or network—and of how to access and customize those features, if
appropriate.
For a summary of some of the key information that phone users need their system
administrators to provide, see
Appendix B, “Providing Information to Users Via
Related Topic
•
Providing Information to Users Via a Website, page B-1
Understanding Security Features for Cisco Unified IP
Phones
The Cisco Unified IP Phone 7905G/7912G provides the following security:
•
Image authentication—Signed binary files (with the extension .sbn) prevent
tampering with the firmware image before it is loaded on a phone. Tampering
with the image causes a phone to fail the authentication process and reject the
new image.
•
Encrypted configuration files—This ensures the privacy of phone configuration
files. For more information, see the
“Configuring the Encryption Key” section on
.