Cisco 6851 Administration Guide

CHAPTER 6
Cisco IP Phone Accessories
• Supported Accessories, on page 99
• Cisco 6800 Series Key Expansion Module Setup Overview, on page 100
• Connect the Footstand, on page 107
• Headsets, on page 107
Supported Accessories
The Cisco IP Phone 6800 Series Multiplatform Phones supports both Cisco and third-party accessories.
Table 13: Accessory Support for the Cisco IP Phone 6800 Series Multiplatform Phones
6861685168416821TypeAccessory
Cisco Accessories
Not supportedSupported
Supports one
key expansion
module
Not supportedNot supportedAdd-on module
Cisco IP Phone
6800 Key
Expansion
Module
SupportedSupportedSupportedNot supportedAdd-on moduleCisco IP Phone
6800 Wall
Mount Kit
Third-Party Accessories
SupportedSupportedSupportedSupportedAnalog
Headsets
SupportedSupportedSupportedSupportedAnalog
Wideband
Not supported
Not supportedNot supportedNot supportedExternalMicrophone
Not supportedNot supportedNot supportedNot supportedExternalSpeakers
Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide
99

Cisco 6851 Specifications

General

Network Protocols	SIP
Speakerphone	Yes
Bluetooth	No
Wi-Fi	No
USB Port	No
Display	3.5 inch grayscale display (396 x 162 pixels)
Ethernet	10/100 Ethernet
PoE	IEEE 802.3af
Audio	Wideband audio
Line Keys	4
Headset Port	RJ9
Supported Codecs	G.711, G.722, G.729, iLBC
Weight	0.9 kg