You may set Line keys on your desk phone to place calls on behalf of other users or to monitor calls for other phones. This article covers the following topics:

How to add Line keys

Navigate to Services > Hosted PBX > Devices > click on the name of the device.

To change line keys  on the desk phone click on Line keys tab. You will see number of line keys depending on your phone's model. Click on Action near the button you need to modify.

Note: you can not modify line key #1 as it is always assigned to the User of this phone.

You may choose the following options:

  • Shared-line Key. Allows to make phone calls on behalf of another User. Internal calls will appear to be coming from this User. External calls will display the User’s caller ID.
  • Busy Lamp Field. Displays the current status of another User’s phone, allows remote answering of calls ringing on the User’s phone and acts as a speed dial for that User. 
  • Line Key Alias. Provide extra line capacity for making and receiving calls on this device.

Select option, user and what should be shown on display of the phone. Save changes.

After you make changes on all line keys you need to reboot device. Click on Reboot device link on the top of the page.

How to add Expansion module 

Expansion module is a device that can be attached to the phone. This device has additional buttons (line keys) which allow to monitor the status of other phones.

Currently, following models are supported:

Cisco SPA500S Expansion Modules:
Cisco SPA525G2 and SPA504G.

Polycom VVX Expansion Modules or Polycom VVX Color Expansion Modules:
Polycom VVX300, VVX310, VVX400, VVX410, VVX500 and VVX600.

Yealink EXP40 Expansion Modules:
Yealink T46G and T48G.

To add new Expansion module navigate to Services > Hosted PBX > Devices > click on the name of the device > Expansion panelsAdd expansion panel.

If you do not see Expansion panels tab then this model of the phone does not support expansion modules.

On next page select the model of Expansion module.

Once module is created click on name of the module to create buttons > Add button.

This option allows to monitor calls that are coming to another User. Allows to quickly dial another User by pressing line key button. 

  • Select button (line key) you would like to program.
  • Select User.