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Cisco 6921 Administration Guide

Cisco 6921
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Index
IN-10
Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.6 (SCCP and SIP)
OL-24567-01
directed call pickup 5-8
direct transfer 5-8, 5-16
distinctive ring 5-9
do not disturb (DND) 5-9
fast dial service 5-9
forced authorization codes 5-9
group call pickup 5-9
hold 5-10
hold reversion 5-10
hunt group 5-10
intercom 5-10
join 5-11
log out of hunt groups 5-11
malicious caller identification (MCID) 5-11
meet-me conference 5-11
message waiting 5-12
mobile connect 5-12
mobile voice access 5-12
monitoring and recording 5-15
multiple calls 5-12
music-on-hold 5-12
mute 5-13
other group pickup 5-13
plus dialing 5-13
privacy 5-13
programmable line keys 5-13
redial 5-13
remote port configuration 5-14
ring setting 5-14
secure conference 5-14
services 5-15
Services URL button 5-15
shared line 5-15
speed dialing 5-15
ssh access 5-16
Time-of-Day Routing 5-16
transfer 5-16
transfer-direct transfer 5-16
voice messaging system 5-17
TFTP
description
1-12
troubleshooting 9-3
TFTP Server 1 4-8
TFTP Server 2 4-8
TFTP settings
IPv6
1-15
time, displayed on phone 3-2
Time-of-Day Routing 5-16, G-4
time zone update G-4
TLS 2-5
transfer 5-16, G-4
transfer button, description of 1-2, 1-5, 1-7
transfer-direct transfer 5-16, G-4
Transmission Control Protocol
See TCP
Transport Layer Security
See TLS
Trivial File Transfer Protocol
See TFTP
Troubleshooting
Security Error message
9-6
troubleshooting
DHCP
9-7
DNS 9-7
DNS settings 9-4
IP addressing and routing 9-3
network connectivity 9-3
network outages 9-6
phones resetting 9-7
physical connection 9-6
security 9-8
services on Cisco Unified Communications
Manager
9-4
TFTP settings 9-3
VLAN configuration 9-7

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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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