Cisco 6851 Administration Guide

New and Changed for Firmware Release 11.2(1)
New or Changed SectionsRevisions
Enable User Access to the Phone Interface Menus,
on page 94
System Configuration, on page 222
Updated the topics to support LCD screen does not
honor "ro" and "na" attribute
Configure the SIP Transport, on page 186Added a new topic to support NAPTR
Telephony Features for Cisco IP Phone, on page 148
SIP Settings, on page 277
Updated the topics to support NAPTR
Configure a Privacy Header, on page 187.Added a new topic to support SIP privacy header
SIP Settings, on page 277Updated the topic to support SIP privacy header
Block Non-Proxy SIP Messages to a Phone, on page
186
Added a new topic to support blocking of SIP message
from a non-proxy device
System Configuration, on page 222Updated the topic to support blocking of SIP message
from a non-proxy device
Peer Firmware Sharing, on page 188
Enable Peer Firmware Sharing, on page 189
Added a new topic to support Peer Firmware Sharing
Telephony Features for Cisco IP Phone, on page 148
Firmware Upgrade, on page 249
Updated the topic to support Peer Firmware Sharing
Configuration Profile, on page 241Updated the topic to support profile account
Add Ignore Programmable Soft Key to Silence an
Incoming Call, on page 190
Added new topic to support call silence
Programmable Softkeys, on page 171
Telephony Features for Cisco IP Phone, on page 148
Updated the topics to support call silence
Enable BroadWorks Anywhere, on page 191
XSI Line Service, on page 287
Added new topics to support XSI BroadWorks
Anywhere
Sync the Block Caller ID Feature with the Phone and
the BroadWords XSI Server, on page 191
XSI Line Service, on page 287
Added new topics to support XSI caller ID blocking
Enable Viewing BroadWorks XSI Call Logs on a Line
, on page 192
Added new topics to support XSI call logs
XSI Phone Service, on page 268
Telephony Features for Cisco IP Phone, on page 148
Updated the topics to support XSI call logs
Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide
5
New and Changed Information
New and Changed for Firmware Release 11.2(1)

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