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Overview of the Cisco Telephone

Overview of the Cisco Telephone

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This page provides an overview of the buttons and controls on a Cisco phone, with an explanation of each function.


Cisco Phone Overview

  1. Telephone LED: Indicates incoming calls by lighting the LED red
  2. Programmable keys: These can be set for speed dials, for example
  3. Camera: Can be turned on and off by turning the iris
  4. Back button: To go back to the previous menu display
  5. Voicemail button: Calling the number of your voicemail system (if enabled in the TC portal)
  6. Settings: Allows you to open or close the application menu.
  7. Volume: 
    1. Handset off-hook: to set the handset volume and the loudspeaker volume
    2. Handset on-hook: to change the ringer volume
  8. Display: Menus, incoming calls and video images during phone calls are displayed here.
  9. Softkeys: To start the functions shown on the display. These can differ depending on the menu.
  10. Hang-up key: Ending a call.
  11. Hold/Resume: To put an ongoing call on hold or to resume a call held
  12. Conference key: Initiating the setup of a conference
  13. Speaker key: To turn the speaker on or off
  14. Mute: Allows you to turn the phone on or off
  15. Address book: To open or close the RWTH phone book
  16. Keypad: Can be used to enter telephone numbers and letters
  17. Transfer button: Transferring a call
  18. Headset button:
    1. ​​​​​​​Activation of a headset
    2. Headset activated: button lights up

Where to find the MAC address?

To find your MAC address, you first have to turn the phone over. You can then read the MAC address at the marked position on the back.

last changed on 02/04/2026

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