manuals.online logo
Brands
  1. Home
  2. •
  3. Brands
  4. •
  5. Cisco
  6. •
  7. IP Phone
  8. •
  9. Cisco 6821 User manual

Cisco 6821 User manual

Other manuals for 6821

1

Other Cisco IP Phone manuals

Cisco 8800 Series Guide

Cisco

Cisco 8800 Series Guide

Cisco 7942G - Unified IP Phone VoIP User manual

Cisco

Cisco 7942G - Unified IP Phone VoIP User manual

Cisco 7961G - IP Phone VoIP User manual

Cisco

Cisco 7961G - IP Phone VoIP User manual

Cisco 3905 User manual

Cisco

Cisco 3905 User manual

Cisco 7920 - Unified Wireless IP Phone VoIP User manual

Cisco

Cisco 7920 - Unified Wireless IP Phone VoIP User manual

Cisco SPA-500 Series User manual

Cisco

Cisco SPA-500 Series User manual

Cisco 7961G - IP Phone VoIP User manual

Cisco

Cisco 7961G - IP Phone VoIP User manual

Cisco 8800 Series User manual

Cisco

Cisco 8800 Series User manual

Cisco Small Business Pro SPA 504G User manual

Cisco

Cisco Small Business Pro SPA 504G User manual

Cisco 8831 User manual

Cisco

Cisco 8831 User manual

Cisco SPA525G - Small Business Pro IP Phone VoIP User manual

Cisco

Cisco SPA525G - Small Business Pro IP Phone VoIP User manual

Cisco 8800 Series User manual

Cisco

Cisco 8800 Series User manual

Cisco 7941G - Unified IP Phone VoIP User manual

Cisco

Cisco 7941G - Unified IP Phone VoIP User manual

Cisco SPA 303 Series User manual

Cisco

Cisco SPA 303 Series User manual

Cisco 7961G - IP Phone VoIP User manual

Cisco

Cisco 7961G - IP Phone VoIP User manual

Cisco SPA 303g User manual

Cisco

Cisco SPA 303g User manual

Cisco 8800 Series Quick reference guide

Cisco

Cisco 8800 Series Quick reference guide

Cisco 7906G - Unified IP Phone VoIP Instruction Manual

Cisco

Cisco 7906G - Unified IP Phone VoIP Instruction Manual

Cisco 8832 User manual

Cisco

Cisco 8832 User manual

Cisco Small Business Pro SPA 504G User manual

Cisco

Cisco Small Business Pro SPA 504G User manual

Cisco Cisco 7960 Parts list manual

Cisco

Cisco Cisco 7960 Parts list manual

Cisco Linksys One PHB1100 User manual

Cisco

Cisco Linksys One PHB1100 User manual

Cisco Unified 6921 Instruction Manual

Cisco

Cisco Unified 6921 Instruction Manual

Cisco M5 Operating and maintenance manual

Cisco

Cisco M5 Operating and maintenance 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 IP Phone 6821 Instructions
1. Making Calls
i. Outside Calls
Off-Hook
Or
Press and Desired Phone Number Press Talk
Or
Press
ii. Calling Other Extension
Off-Hook
Or
Dial Extension Number Press Talk
Or
Press
2. Answering Calls
Off-Hook
Or
Press Talk
Or
Press
3. Transferring a Call / Call Transfer
i. Blind / Unattended Transfer
During a conservation Press Dial Extension Number Press
ii. Supervised / Attended Transfer
During a conservation Press Press Dial Extension Number Press
inform the 3rd party about the call you are transferring Press
4. Holding a Call
i. To Hold
During a conservation Press
ii. To Retrieve a call (Call Hold retrieve)
Press to retrieve hold call
5. Making a conference (Conference Call)
i. To Establish a Conference
During a conservation Press Press Dial to 3rd Party Press Press
ii. To Leave a conference and talk to the 1st person
During a conference Press Press
Select line 2
iii. To Leave a conference and talk to the 3rd person
During a conference Press Press
Select line 1
iv. To Leave a conference
During a conference On-Hook
6. Checking Voice Mail
When message LED light is flashing Press Enter Password (if any)
Press to Repeat Message
Press to Listen Message Press to Play Next Message
Press to Delete/Un-Delete Message
7. Voice Mail Setup
Press Enter Password (if any)
Press to record Unavailable Message
Press to record Busy Message
Press to Listen Message Press to record Your Name
Press to record Temporary greeting
Press to Change Password
8. Checking All Call History
i. To check the All Calls
Press and to check the all calls
ii. To check the Received Calls
Press Choose “Recents” Press Choose “Received Calls” Press
iii. To check the Missed Calls
Press Choose “Recents” Press Choose “Missed Calls” Press
9. Forward Call
i. To set up Always Call Forward
Press Enter the target number (e.g. 108) Press
ii. To set up Busy Call Forward
Press Choose “User Preferences” Press Choose “Call Preferences”
Press Choose “Call Forwarding” Press Choose “Forward Busy”
Enter the target number (e.g. 108) Press Press to return to normal screen
iii. To set up No Answer Call Forward
Press Choose “User Preferences” Press Choose “Call Preferences”
Press Choose “Call Forwarding” Press Choose “Fwd No Answer”
Enter the target number (e.g. 108) Press Choose “Fwd no answer delay”
Input the No Answer Time (e.g. 20 seconds) Press
Press to return to normal screen
iv. To Cancel Call Forwarding
Press Choose “User Preferences” Press Choose “Call Preferences”
Press Choose the appropriate Call Forward mode Press delChar to clear all numbers
Press Press to return to normal screen