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Cisco ip phone 7931g Manual

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Chapter 1 An Overview of the Cisco Unified IP Phone
Understanding Security Features for Cisco Unified IP Phones
1-14
Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 6.1
OL-14587-01
Understanding Security Features for Cisco Unified IP
Phones
Implementing security in the Cisco Unified Communications Manager system
prevents identity theft of the phone and Cisco
Unified Communications Manager
server, prevents data tampering, and prevents call signaling and media stream
tampering.
To alleviate these threats, the Cisco IP telephony network establishes and
maintains authenticated and encrypted communication streams between a phone
and the server, digitally signs files before they are transferred to a phone, and
encrypts media streams and call signaling between Cisco
Unified IP phones.
Table 1-2 shows where you can find additional information about security in this
and other documents.
Ta b l e 1-2 Cisco Unified IP Phone and Cisco Unified Communications Manager Security
To p i c s
Topic Reference
Detailed explanation of security, including set up,
configuration, and troubleshooting information
for Cisco Unified
Communications Manager and
Cisco Unified
IP Phones
Refer to Cisco Unified Communications Manager
Security Guide
Security features supported on the Cisco Unified
IP Phone
See the “Overview of Supported Security
Features” section on page 1-16
Restrictions regarding security features See the “Security Restrictions” section on
page 1-26
Viewing a security profile name See the “Understanding Security Profiles” section
on page 1-20
Identifying phone calls for which security is
implemented
See the “Identifying Encrypted and Authenticated
Phone Calls” section on page 1-20
Establishing and identifying conference calls for
which security is implemented
See the “Establishing and Identifying Secure
Conference Calls” section on page 1-21
… 32 …


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