Cisco 6921 Administration Guide

Index
IN-2
Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.6 (SCCP and SIP)
OL-24567-01
C
call
security interactions
1-20
Call Back 5-4, G-2
call back G-2
call display restrictions 5-4, G-2
caller ID 5-6, G-2
caller ID blocking G-2
caller id blocking 5-6
call forward 5-4
all breakout G-2
all calls G-2
all loop prevention G-2
busy G-2
call forward all 5-4
call forward busy 5-4
call forward no answer 5-4
call forward no coverage 5-4
configurable display G-2
destination override 5-5, G-2
display, configuring 5-5
loop breakout 5-5
loop prevention 5-5
no answer G-2
notification 5-5
call forward destination override 5-5
call forward notification 5-5
call park 5-5, G-2
call pickup G-2
call security restrictions using Barge 1-20
call waiting 5-6, 5-26, G-2
configuring 5-26
CAPF (Certificate Authority Proxy Function) 1-17
CAST support for SIP 5-7
cell phone interference 1-1
Cisco Discovery Protocol
See CDP
Cisco Extension Mobility Cross Cluster Service
G-2
Cisco Unified Communications Manager
adding phone to database of
2-8
interactions with 2-2
required for Cisco Unified IP Phones 3-2
Cisco Unified Communications Manager Administration
adding telephony features using
5-1
Cisco Unified Communications Manager Assistant G-2
Cisco Unified IP Phone
adding manually to Cisco Unified Communications
Manager
2-10
adding to Cisco Unified Communications
Manager
2-8
cleaning 9-15
configuration checklist 1-24
configuration requirements 1-23
configuring user services 5-23
installation checklist 1-27
installation overview 1-23, 1-27
installation requirements 1-23
modifying phone button templates 5-19
mounting to wall 3-14
power 2-4
registering 2-8
registering with Cisco Unified Communications
Manager
2-9
resetting 9-12
technical specifications C-1
using LDAP directories 5-18
web page 8-1
classic ring tone 5-8
cleaning the Cisco Unified IP Phone 9-15
Clear softkey 7-3, 7-7
client matter codes 5-8, G-3
computer telephony integration (CTI) G-3
conference 5-8
secure 1-19
See secure conference
conference button, description of
1-3, 1-5, 1-7
conference joining 5-8
configurable call forward display 5-5, G-3

Cisco 6921 Specifications

General

Speakerphone	Yes
Headset Port	Yes
Power	IEEE 802.3af Power over Ethernet (PoE)
Lines	2
Audio Codec Support	G.711a, G.711u, G.722, G.729a, iLBC
Ethernet Ports	2
Protocols	SCCP
Weight	1 kg
Ethernet Switch	10/100BASE-T Ethernet switch