Cisco UNIFIED 6911 Manual - Halaman 19

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Cisco Unified IP Phone

Feature

Signaling encryption

Certificate Authority Proxy Function (CAPF)

Security profiles

Encrypted configuration files

Optional disabling of the web server functionality for

a phone

Phone hardening

802.1X Authentication

Voice Quality Metrics

MOS LQK

Avg MOS LQK

Min MOS LQK

Supported Security Features

Description

Ensures that all SCCP and SIP signaling messages

sent between the phone and the Cisco Unified

Communications Manager server are encrypted.

Implements parts of the certificate generation

procedure that are too processing-intensive for the

phone, and interacts with the phone for key generation

and certificate installation. The CAPF can be

configured to request certificates from

customer-specified certificate authorities on behalf of

the phone, or it can be configured to generate

certificates locally.

Defines whether the phone is nonsecure, authenticated,

encrypted, or protected.

Ensures the privacy of phone configuration files.

Prevents access to a phone web page that displays a

variety of operational statistics for the phone.

The following is an additional security option that

you control from Cisco Unified Communications

Manager:

• Disabling access to web pages for a phone

Defines the use of 802.1X authentication to request

and gain access to the network.

Objective estimate of the Mean Opinion Score (MOS)

for Listening Quality (LQK) that ranks audio quality

from 5 (excellent) to 1 (bad). This score is based on

audible-concealment events due to a frame loss in the

preceding 8 seconds of the voice stream.

Note

The MOS LQK score can vary based on

the type of codec that the

Cisco Unified IP Phone uses.

Average MOS LQK score for the entire voice stream.

Lowest MOS LQK score from the start of the voice

stream.

Cisco Unified IP Phone