Cisco 8800 Series Guide

Step 8 (Optional) Use a second key expansion module spine connector to connect the second key expansion module
to the first key expansion module.
Step 9 (Optional) Use a third key expansion module spine connector to connect the third key expansion module to
the second key expansion module.
Step 10 Use a screwdriver to fasten the screws into the phone.
This step ensures that the phone and key expansion module remain connected at all times. This diagram shows
the location of the screw holes on the phone and one key expansion module.
Cisco IP Phone 8800 Series Multiplatform Phone Administration Guide for Release 11.3(1) and Later
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Cisco IP Phone Accessories
Cisco IP Phone Accessories

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)