Cisco 7821 Administration Guide

External Devices 20
Cisco IP Phone Hardware 21
CHAPTER 3
Cisco IP Phone Hardware Overview 21
Cisco IP Phone 7811 22
Phone Connections 22
Cisco IP Phone 7821 23
Phone Connections 23
Cisco IP Phone 7841 24
Phone Connections 24
Cisco IP Phone 7861 25
Phone Connections 25
Buttons and Hardware 26
Navigation 28
Softkey, Line, and Feature Buttons 28
Terminology Differences 29
Cisco IP Phone Installation 31
PART II
Cisco IP Phone Installation 33
CHAPTER 4
Verify the Network Setup 33
Install the Cisco IP Phone 34
Activation Code Onboarding 35
Configure the Network from the Phone 36
Network Configuration Fields 37
Text and Menu Entry From the Phone 42
Verify Phone Startup 43
Configure the Voice Codecs 43
Set the Optional Network Servers 44
VLAN Settings 44
Cisco Discovery Protocol 45
LLDP-MED 45
Chassis ID TLV 46
Port ID TLV 46
Cisco IP Phone 7800 Series Multiplatform Phones Administration Guide
iv
Contents

Cisco 7821 Specifications

General

Brand	Cisco
Model	7821
Category	IP Phone
Language	English