Line Configuration
IP phones include feature keys that are programmable buttons to customize the actions performed. Line Configuration is how you program the feature keys on the device. Line 1 is the device owner’s main line and is always a Device Line type; it cannot be changed. All other lines are set to Deactivated by default, but another feature can be assigned from here, including Call Park, Device Line, Paging Group, Presence/BLF, Shared Line, and Speed Dial.
For device changes outside of the IP phone line features, please contact Customer Support.
To assign a feature to a line on a user’s device:
Go to either:
Account > Users > Devices
Account > Devices
Locate the device you want to manage and click
Edit.
Under Line Configuration, select the line you want to assign a feature to.

Open the menu and select one of the following features:
Click [Save] to apply your changes.
See also: Bulk Line Configuration
[1] Only shown if a custom configuration has been set for this line via Phonism, a third-party device configuration service. Contact your service provider for details.