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How do I change the lines and buttons on my phone?

    Most phones have one or more buttons (or sidecars) that you can customize to perform specific functions, like speed dial. Customize these settings to personalize your buttons as needed.

    1. Sign in to the desktop or web app.
    2. Select your profile picture in the top right and then choose Settings.
    3. Expand Voice in the left sidebar and then select Device buttons. If you are assigned to multiple devices, choose the desired device from the drop-down menu.

      Troubleshooting: If you do not have Device buttons, refer to your Admin for setting enablement. For admins who use PBX Administration (classic) at you must enable Allow user to change all Speed Dial buttons (Devices > User's device > Button Configuration) from the admin portal . If you're an admin who uses GoTo Admin at, this enablement is not required. Please excuse our mess while we improve your admin experience! We are in the process of migrating all accounts to the new GoTo Admin.

    4. Select Add button.
    5. Choose the extension (Button number) you want assigned to the button.
    6. Edit the button Label.
      Note: The button label overrides the line name.
    7. Choose the desired button Type:
      Option Description
      Call Park Adds a call parking spot to the button to park calls to a specific spot with presence monitoring. Enter a label for the button and then a parking spot for the extension (e.g., 8).
      Note: Supported on Cisco MPP, Polycom, and Yealink only.
      Line Adds a line to the button.
      Note: Duplicated line assignments are only supported on Polycom VVX. The button labels on multiple appearances for the same line will display as “Label 1”, “Label 2”, etc.—these labels cannot be changed.
      Monitored Extension Adds an extension to the button for speed dial and presence monitoring with BLF (Busy Lamp Field).
      Note: Not all phones support this feature.
      On Phone Defined Allows the phone to have functionality manually assigned to the button that cannot be overwritten by provisioning.
      Speed Dial Adds an extension to the button for speed dial.
      Note: Not all phones support this feature.
    8. Select Apply and then select Save.
    What to do next: You may need to resync your device to view your changes.