Chapter 1 An Overview of the Cisco Unified IP Phone
Understanding Security Features for Cisco Unified IP Phones
1-18
Cisco Unified IP Phone 7906G and 7911G Administration Guide for Cisco Unified CallManager 5.1
OL-11515-01
Understanding Security Profiles
All Cisco Unified IP Phones that support Cisco Unified CallManager 5.1 use a
security profile, which defines whether the phone is nonsecure, authenticated, or
encrypted. For information about configuring the security profile and applying the
profile to the phone, refer to the Cisco
Unified CallManager Security Guide,
Release 5.0(1).
To view the security mode that is set for the phone, look at the Security Mode
setting in the Security Configuration menu. For more information, see the
“Security Configuration Menu” section on page 7-2.
Related Topics
• Identifying Encrypted and Authenticated Phone Calls, page 1-18
• Device Configuration Menu, page 4-15
• Security Restrictions, page 1-22
Identifying Encrypted and Authenticated Phone Calls
When security is implemented for a phone, you can identify authenticated or
encrypted phone calls by icons on the LCD screen on the phone.
In an authenticated call, all devices participating in the establishment of the call
are authenticated by the Cisco
Unified CallManager. When a call in progress is
authenticated end-to-end, the call progress icon to the right of the call duration
timer in the phone LCD screen changes to the following icon:
In an encrypted call, all devices participating in the establishment of the call are
authenticated by the Cisco
Unified CallManager. In addition, call signaling and
media streams are encrypted. An encrypted call offers the highest level of
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