Cisco 7800 Series Administrator's Guide

Power Reduction 9
Supported Network Protocols 10
VLAN Interaction 14
External Devices 14
CHAPTER 3 Cisco IP Phone Hardware 17
Cisco IP Phone Hardware Overview 17
Cisco IP Phone 7811 18
Phone Connections 18
Cisco IP Phone 7821 19
Phone Connections 19
Cisco IP Phone 7841 20
Phone Connections 20
Cisco IP Phone 7861 21
Phone Connections 21
Buttons and Hardware 22
Softkey, Line, and Feature Buttons 24
Terminology Differences 25
PART II Cisco IP Phone Installation 27
CHAPTER 4 Cisco IP Phone Installation 29
Verify the Network Setup 29
Enable Autoregistration for Phones 30
Install the Cisco IP Phone 31
Set Up the Phone From the Setup Menus 33
Apply Phone Password 34
Text and Menu Entry From the Phone 34
Configure Network Settings 35
Set Domain Name Field 36
Set Admin VLAN ID Field 36
Set PC VLAN Field 36
Set SW Port Setup Field 37
Set PC Port Setup Field 37
Set DHCP Enabled Field 37
Cisco IP Phone 7800 Series Administration Guide for Cisco Unified Communications Manager
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Contents

Cisco 7800 Series Specifications

General

Wireless	No
Video Support	No
PoE	Yes, 802.3af/at
Audio Codec Support	G.711, G.722, G.729, iLBC
Network Protocols	SIP, SDP, IPv4, IPv6, UDP, TCP, DNS, TFTP, HTTP, HTTPS, DHCP
Security Features	802.1X, TLS, SRTP
Power Options	PoE
Headset Port	3.5mm
Buttons	Line keys, navigation cluster, softkeys, mute, speakerphone, headset, volume control
Bluetooth	No
Ethernet Switch	Yes, 2-port 10/100/1000
USB Port	Yes, for headset (7875)