8 OL-12546-01
 
Feature Description For more information, see...
1
Programmable 
buttons
Depending on configuration, programmable 
buttons (or line keys) provide access to:
• Phone lines and intercom lines (line buttons) 
• Speed-dial numbers (speed-dial buttons, 
including the BLF speed-dial feature)
• Web-based services (for example, a Personal 
Address Book button)
• Call features (for example, Privacy, 
Conference)
• Local features (for example, Application menu, 
Headset, Settings)
Buttons illuminate to indicate status:
Green, steady—Active call or two-way 
intercom call
Green, flashing—Held call
Amber, steady—Privacy in use, one-way 
intercom call, DND, logged into Hunt 
Group, headset or other local feature 
enabled
Amber, flashing—Incoming call or 
reverting call
Red, steady—Remote line in use (shared 
line, BLF status, or active Mobile 
Connect call)
Red, flashing—Remote call on hold
Line keys are numbered 24-1 in descending order, 
alternating from left to right. 
• Understanding Phone 
Screen Features, 
page 12
• Basic Call Handling, 
page 16
• Speed Dialing, 
page 30
• Using a Shared Line, 
page 34
• Using BLF to 
Determine a Line 
State, page 35
• Placing or Receiving 
Intercom Calls, 
page 28
• Using Hold and 
Resume, page 20
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