Cisco 7906G Administration Guide

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Cisco Unified IP Phone 7906G and 7911G Administration Guide for Cisco Unified CallManager 5.1
OL-11515-01
Chapter 1 An Overview of the Cisco Unified IP Phone
Understanding Security Features for Cisco Unified IP Phones
security, providing integrity and privacy to the call. When a call in progress is
being encrypted, the call progress icon to the right of the call duration timer in the
phone LCD screen changes to the following icon:
Note If the call is routed through a non-IP call leg, for example, PSTN, the call will be
nonsecure even though it is encrypted within the IP network and has a lock icon
associated with it.
Related Topic
• Understanding Security Features for Cisco Unified IP Phones, page 1-12
• Supporting 802.1X Authentication on Cisco Unified IP Phones, page 1-19
• Security Restrictions, page 1-22
Supporting 802.1X Authentication on Cisco Unified IP Phones
These sections provide information about 802.1X support on the Cisco Unified IP
Phones:
• Overview, page 1-19
• Required Network Components, page 1-20
• Best Practices—Requirements and Recommendations, page 1-20
Overview
Cisco Unified IP phones and Cisco Catalyst switches have traditionally used
Cisco Discovery Protocol (CDP) to identify each other and to determine
parameters such as VLAN allocation and inline power requirements. However,
CDP is not used to identify any locally attached PCs. Therefore, Cisco Unified IP
Phones provide an EAPOL pass-through mechanism, whereby a PC locally
attached to the IP phone may pass through EAPOL messages to the 802.1X

Cisco 7906G Specifications

General

Brand	Cisco
Model	7906G
Category	IP Phone
Language	English