manuals.online logo
Brands
  1. Home
  2. •
  3. Brands
  4. •
  5. Cisco
  6. •
  7. IP Phone
  8. •
  9. Cisco Unified 6921 User manual

Cisco Unified 6921 User manual

Other manuals for Unified 6921

26

This manual suits for next models

3

Other Cisco IP Phone manuals

Cisco Chicago Business VoIP User manual

Cisco

Cisco Chicago Business VoIP User manual

Cisco 7912 User manual

Cisco

Cisco 7912 User manual

Cisco IP 7942 Series User manual

Cisco

Cisco IP 7942 Series User manual

Cisco Cisco 7940 User manual

Cisco

Cisco Cisco 7940 User manual

Cisco 7906G - Unified IP Phone VoIP User manual

Cisco

Cisco 7906G - Unified IP Phone VoIP User manual

Cisco 8821 User manual

Cisco

Cisco 8821 User manual

Cisco Unified 6921 User manual

Cisco

Cisco Unified 6921 User manual

Cisco 8841 User manual

Cisco

Cisco 8841 User manual

Cisco SPA525G - Small Business Pro IP Phone VoIP User manual

Cisco

Cisco SPA525G - Small Business Pro IP Phone VoIP User manual

Cisco 7965G - Unified IP Phone VoIP User manual

Cisco

Cisco 7965G - Unified IP Phone VoIP User manual

Cisco 7821 User manual

Cisco

Cisco 7821 User manual

Cisco 7962 User manual

Cisco

Cisco 7962 User manual

Cisco Unified 6921 User manual

Cisco

Cisco Unified 6921 User manual

Cisco 7945 Series User manual

Cisco

Cisco 7945 Series User manual

Cisco DATAVOX 7941 User instructions

Cisco

Cisco DATAVOX 7941 User instructions

Cisco Small Business SPA525G2 User manual

Cisco

Cisco Small Business SPA525G2 User manual

Cisco 7945G - Unified IP Phone VoIP Manual

Cisco

Cisco 7945G - Unified IP Phone VoIP Manual

Cisco 7911 User manual

Cisco

Cisco 7911 User manual

Cisco Small Business Pro SPA 504G User manual

Cisco

Cisco Small Business Pro SPA 504G User manual

Cisco DATAVOX 7941 User manual

Cisco

Cisco DATAVOX 7941 User manual

Cisco 7931G - Unified IP Phone VoIP User manual

Cisco

Cisco 7931G - Unified IP Phone VoIP User manual

Cisco Cisco 7940 User manual

Cisco

Cisco Cisco 7940 User manual

Cisco Unified 6921 User manual

Cisco

Cisco Unified 6921 User manual

Cisco Unified 6921 User manual

Cisco

Cisco Unified 6921 User manual

Popular IP Phone manuals by other brands

Cortelco C62 VoIP Phone user guide

Cortelco

Cortelco C62 VoIP Phone user guide

VanillaIP Polycom IP300 user manual

VanillaIP

VanillaIP Polycom IP300 user manual

Yealink Yealink SIP-T22P Quick installation guide

Yealink

Yealink Yealink SIP-T22P Quick installation guide

Viking SR-IP product manual

Viking

Viking SR-IP product manual

Yealink VP59 Teams user guide

Yealink

Yealink VP59 Teams user guide

Panasonic KX-UT133-B Administrator's guide

Panasonic

Panasonic KX-UT133-B Administrator's guide

Avaya one-X 9600 Series overview

Avaya

Avaya one-X 9600 Series overview

AVA Enterprises B179 Installation and administration guide

AVA Enterprises

AVA Enterprises B179 Installation and administration guide

Polycom SoundPoint IP 450 datasheet

Polycom

Polycom SoundPoint IP 450 datasheet

IPitomy IP290 user manual

IPitomy

IPitomy IP290 user manual

Polycom SoundPoint IP 650 user guide

Polycom

Polycom SoundPoint IP 650 user guide

Proximus Maestro 3016 IP quick start guide

Proximus

Proximus Maestro 3016 IP quick start guide

Polycom IP 450 user guide

Polycom

Polycom IP 450 user guide

Fanvil X4 user manual

Fanvil

Fanvil X4 user manual

Snom 320 quick start guide

Snom

Snom 320 quick start guide

Avaya Integral 5 R3.0 user guide

Avaya

Avaya Integral 5 R3.0 user guide

Yealink Yealink SIP-T46G Guide

Yealink

Yealink Yealink SIP-T46G Guide

Yealink SIP-T52S quick start guide

Yealink

Yealink SIP-T52S quick start guide

manuals.online logo
manuals.online logoBrands
  • About & Mission
  • Contact us
  • Privacy Policy
  • Terms and Conditions

Copyright 2025 Manuals.Online. All Rights Reserved.

CiscoUnifiedIPPhone6921/6945/7821/7841

QuickInstallation
&
UserQuickReference
Guide

6921
6945
7821 7841
All manuals and user guides at all-guides.com
all-guides.com
Page 2of 12
Contents
A. Cisco Unified IP Phone 6921/6945/7821/7845 Quick installation Guide..................................................................................... 3
B. Cisco Unified IP Phone 6921/6945/7821/7845 User Quick Reference......................................................................................... 6
All manuals and user guides at all-guides.com
Page 3of 12
Part A: Cisco IP Phone Quick installation Guide
Step 1: Physical network cables connection
Connect the network cables to network socket and user’s PC as the figure shows
below:
To NetworkOutlet To EndUser’sPC
IP Phone 6921/6945 rear view
IP Phone 7821/7841 rear view
To NetworkOutlet To EndUser’sPC
All manuals and user guides at all-guides.com
Page 4of 12
Step 2: Wait for phone starts
Wait for the IP phone start up for around one minute
6921/6945
7821/7841
All manuals and user guides at all-guides.com
Page 5of 12
Step 3: Phone start success
- The phone will show your extension number when started.
- You can make/receive phone calls and access the network after started.
6921/6945
7821/7841
Showedyourextensionnumber
Showedyourextensionnumber
All manuals and user guides at all-guides.com
Page 6of 12
Part B: Cisco IP Phone User Quick Reference
6921/6945
All manuals and user guides at all-guides.com
all-guides.com
Page 7of 12
Cisco Unified IP Phone 6921/6945 User Quick Reference
Service Features Access
Internal Call Dial Extn. No. XXXX (4 digits)
External Call
Local
Dial 9 + Tel. No..
Speaker
on
( Green Light is on )
off
Mute
on
During a call, press ( Red Light is on)
off
Redial
{ Redial }
Transfer
transfer
+ Extn. No. +
reconnect (if the line is no answer / busy) { Cancel} { Resume }
Conference
set up
+ Extn. No. / 9 + Tel. No. +
reconnect (if the line is no answer / busy) { Cancel }+ { Resume }
remove a party from conference + select a party + { Remove }
Call Hold
put a line on hold ( the 1st line button flashes green)
To reconnect the call { Resume }
Call Pickup
group
{ PickUp } { Answer }
Call Back (when the extn. is no answer / busy)
set up
call back the extn
{ Callback } + { Exit }
(Message shown when the extn.has becomes available)
Press { Dial } to call that extn.
Call Forward
set up (all calls) {Fwd All } + Extn. No.
(Screen shows & “Call forwarded to XXXX”)
cancel { Fwd OFF}
Access Voicemail System
Internal access
External access
When have voicemail, message waiting lamp is on Red.
/ Dial
Dial
Volume
adjust the listen volume When Handset / Speaker is in use, press
All manuals and user guides at all-guides.com
Page 8of 12
Cisco Unified IP Phone 6921/6945 User Quick Reference
Service Features Access
Call Log (total stores up to 150 records)
dial from call log Applications
+ (1. Call History) + select a call log record
+ { EditDial } to edit the displayed number if necessary
+{ Dial } / lift the handset to start calling
Contrast + + ( 2. User Preferences ) +
+ {2. Contrast } + { Up } / { Down } to adjust < 15 levels> +
{ Save } to confirm
Ring Tone + + ( 2. User Preferences ) +
+ (1. Ring Tone ) + { Up } / { Down } to change < 9 items> +
+ select Ring Tone + { Play } to listen / { Set} + { Apply} to use
Remark: { } = Soft-key button
All manuals and user guides at all-guides.com
Page 9of 12
7821/7841
All manuals and user guides at all-guides.com
Page 10 of 12
Cisco Unified IP Phone 7821/7841 User Quick Reference
Service Features Access
Internal Call Dial Extn. No. XXXX (4 digits)
External Call
Local
Dial 9 + Tel. No..
Speaker
on ( Green Light is on )
off
Mute
on
During a call, press ( Red Light is on)
off
Redial
{ Redial }
Transfer
transfer + Extn. No. +
reconnect (if the line is no answer / busy) { Cancel} { Resume }
Conference
set up + Extn. No. / 9 + Tel. No. +
reconnect (if the line is no answer / busy) { Cancel }+ { Resume }
remove a party from conference + select a party + { Remove }
Call Hold
put a line on hold ( the 1st line button flashes green)
To reconnect the call { Resume }
Call Pickup
group
{ PickUp } { Answer }
Call Back (when the extn. is no answer / busy)
set up
call back the extn
{ Callback } + { Exit }
(Message shown when the extn.has becomes available)
Press { Dial } to call that extn.
Call Forward
set up (all calls) {Fwd All } + Extn. No.
(Screen shows & “Call forwarded to XXXX”)
cancel { Fwd OFF}
Access Voicemail System
Internal access
External access
When have voicemail, message waiting lamp is on Red.
/ Dial
Dial
Volume
adjust the listen volume When Handset / Speaker is in use, press
All manuals and user guides at all-guides.com