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Cisco 6921 Administration Guide

Cisco 6921
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Index
IN-8
Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.6 (SCCP and SIP)
OL-24567-01
See PoE
power save
3-9
PowerSave Plus
See EnergyWise
power source
causing phone to reset
9-8
power injector 2-4
privacy 5-13, G-4
Private Line Automated Ringdown (PLAR) 5-13, G-4
Programmable Feature Button 1-29
programmable feature buttons G-4
programmable line button 1-29
programmable line button, description of 1-3, 1-5, 1-8
Programmable Line Key (PLK) 1-29
programmable line keys 5-13
protected call
description
1-19
Protected Calls 1-19
Q
Quality Reporting Tool (QRT) 5-13, G-4
R
Real-Time Control Protocol
See RTCP
Real-Time Transport Protocol
See RTP
redial
5-13, G-4
remote port configuration 5-14
reset, factory 9-12
reset settings on phone 9-12
resetting
basic
9-12
Cisco Unified IP phone 9-12
continuously 9-6
intentionally 9-7
methods 9-12
ringer, indicator for 1-2, 1-4, 1-7
ringer volume control G-4
ring setting 5-14, G-4
S
SCCP 1-11
secure conference 5-14, G-4
description 1-19
establishing 1-19
identifying 1-19
restrictions 1-20
security restrictions 1-20
secure SRST reference 1-17
security
CAPF (Certificate Authority Proxy Function)
1-17
configuring on phone 3-15
device authentication 1-17
encrypted configuration file 1-17
file authentication 1-17
image authentication 1-16
Locally Significant Certificate (LSC) 3-15
media encryption 1-17
phone hardening 1-18
secure SRST reference 1-17
security profiles 1-17, 1-18
signaling authentication 1-17
signaling encryption 1-17
troubleshooting 9-8
Security Configuration menu
802.1X Authentication
4-10
Security Configuration menu (on Device menu)
about
4-10
security profiles 1-17, 1-18
services
configuring for users
5-23
description 5-15
protocol support G-4

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Cisco 6921 Specifications

General IconGeneral
SpeakerphoneYes
Headset PortYes
PowerIEEE 802.3af Power over Ethernet (PoE)
Lines2
Audio Codec SupportG.711a, G.711u, G.722, G.729a, iLBC
Ethernet Ports2
ProtocolsSCCP
Weight1 kg
Ethernet Switch10/100BASE-T Ethernet switch

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