User's Manual
User Guide for the SoundPoint IP 670 Desktop Phone
5 - 4
Adjusting the Display Contrast
To adjust the display contrast on a SoundPoint IP Color Expansion Module, 
refer to Changing the Display Contrast on page 2-2.
Adjusting the Backlight Intensity
To adjust the backlight intensity on a SoundPoint IP Color Expansion Module, 
refer to Changing the Backlight Intensity on page 2-3.
3 Line Indicators Individual multi-color LEDs display 
the dynamic call state and remote 
user status (busy lamp field [BLF] and 
presence). The mapping is:
Solid green—An active call is in 
progress.
Fast flashing green—There is an 
incoming (ringing) call.
Flashing green—Another party has 
put you on hold.
Flashing red—The call is on hold.
Solid red—The line is busy remotely 
(shared lines).
4 Graphic Display Shows information about lines or 
speed dials.
5 Infrared Lens Facilitates communications to the 
host phone and other Expansion 
Modules.
Item Description










