IP Phone User Manual

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Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.1 (SIP), Cisco Unified IP Phones
OL-11524-01
Chapter 1 An Overview of the Cisco Unified IP Phone
Understanding Security Features for Cisco Unified IP Phones
Related Topics
• Identifying Encrypted and Authenticated Phone Calls, page 1-17
• Device Configuration Menu, page 4-15
• Security Restrictions, page 1-21
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.
To view the security profile name on the phone, perform these steps:
Procedure
Step 1 Select Settings.
Step 2 Select Security Configuration.
Related Topics
• Identifying Encrypted and Authenticated Phone Calls, page 1-17
• Security Restrictions, page 1-21
• Device Configuration Menu, page 4-15
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: