You can configure the Busy Lamp Field functionality for additional lines on a Cisco SPA series phone, which would allow phone user see if these lines are currently being used by other users. Please follow the instructions below:
- Obtain the IP address of your phone
- Press the Setup button (this button looks like a piece of paper with a folded corner).
- In the Setup menu, navigate to Status. Scroll to Network Status and press select to view the IP address of the phone.
where blf stands for Busy Lamp Field, cp allows you to pick up the calls on this line, hpbx0xx.serverdata.net is your Hosted PBX server, and xxxx should be replaced with the user's extension.
- Green: Available
- Red: Busy
- Red Fast Blink: Ringing