Place a call with a headset
1. Plug in a headset.
2. Enter a number using the keypad.
3. Press Headset .
Place a call with the speakerphone
1. Enter a number using the keypad.
2. PressSpeakerphone .
Mute your audio
1. Press Mute .
2. Press Mute again to turn muteoff.
Listen to voice messages
Press Messages and follow the voice prompts.
***TEMPORARY VOICEMAIL PASSCODE IS 189291#.
CHOOSE A NEW PASSCODE 4-16 DIGITS LONG, must
not contain your extension in any form and will not
accept anything simple like 1111 or 1234.
To check messages for a specific line, press the
line button first.
Forward all calls
1. Press the Forward softkey.
2. Dial the number that you want to forward to
and press the Call softkey.
3. 3. When you return, press the Clrsoftkey.
Adjust the volume in a call
Press Volume up or down to adjust the
handset, headset, or speakerphone volume when the
phone is in use.
Adjust the ringtone volume
Press Volume up or down to adjust the
ringer volume when the phone is not in use.
Change ringtone
1. PressApplications .
2. Select User preferences > Audio preferences >
Ext (n) - Ring tone, where n = extension number.
3. Scroll through the list of ringtones and press
Play to hear a sample.
4. Press Select and Set to save a selection.
5. Press Back to exit.
Adjust the screen contrast
1. PressApplications .
2. Select User preferences > Screen preferences >
Contrast level.
3. Press up to increase, or down to decrease, the
contrast.
4. Press Save.
Adjust the screen backlight
(7821, 7841, 7861)
1. PressApplications .
2. Select User preferences > Screen preferences >
Backlight timer.
3. Press On or Off, or select a length of time for the
backlight to be on.
User Guide
View the full User Guide at https://www.cisco.com/c/
en/us/support/collaboration-endpoints/unified-ip-
phone-7800-series/products-user-guide-list.html
Link to Video Tutorial-
https://s3.amazonaws.com/smartlynk-cincibell/courses/CBTS_Cisco_7821-7841-7861_Phone_Tutorial_10.22.18/story_html5.html
cbts.com 009180730 2