Cisco 8800 Series User Manual

Cisco IP Phone Key Expansion Module Setup Overview
Figure 10: Key Expansion Module with Single LCD Screen
Figure 12: Cisco IP Phone 8865 Key Expansion Module with Dual
Screen
Figure 11: Cisco IP Phone 8851/8861 Key Expansion Module with
Dual Screen
The Cisco IP Phone 8800 Key Expansion Module adds extra programmable buttons to the phone. The
programmable buttons can be set up as phone speed-dial buttons, or phone feature buttons.
There are 3 expansion modules available:
• Cisco IP Phone 8800 Key Expansion Module—Single LCD screen module, 18 line keys, 2 pages,
two-column display only.
• Cisco IP Phone 8851/8861 Key Expansion Module—Dual LCD screen module for audio phones, 14 line
keys, 2 pages, one-column display only.
• Cisco IP Phone 8865 Key Expansion Module—Dual LCD screen module for video phones, 14 line keys,
2 pages, one-column display only.
The Cisco IP Phone 8851/8861 Key Expansion Module and the Cisco IP Phone 8865 Key Expansion Module
require Firmware Release 11.2(3) or later.
Note
You can use more than one expansion module per phone. But each module must be the same type. You cannot
mix Cisco IP Phone 8800 Key Expansion Module with a Cisco IP Phone 8851/8861 Key Expansion Module
or with a Cisco IP Phone 8865 Key Expansion Module. You cannot mix audio expansion modules with video
Cisco IP Phone 8800 Series Multiplatform Phones User Guide
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Accessories
Cisco IP Phone Key Expansion Module Setup Overview

Cisco 8800 Series Specifications

General

Protocols	SIP, SCCP
Audio	Wideband audio
Connectivity	Gigabit Ethernet
Power	Power over Ethernet (PoE)
Bluetooth	Yes
USB	Yes
Codec Support	G.711, G.722, G.729, iLBC
Dimensions	Varies by model
Weight	Varies by model
Wi-Fi	Yes (varies by model)