User Guide

LED Description
Fast blinking green Call/line appearance is on hold.
Very fast blinking
green
Conference or Transfer is pending.
Steady red Call/line appearance is selected and will be used when you go
off-hook. It remains steady red while you use the call/line
appearance.
Off Call/line appearance is available.
Table 2. Feature Button LEDs
LED Description
Steady green Feature is active.
Blinking green Feature is pending (request is being processed and not
immediately available).
Off Feature is not active.
Note:
Depending on your call processing system, the feature button LEDs for some features
may operate differently.
About Icons
Icons are provided in the phone display to indicate the state of a call and navigation
choices. The icons that appear in the phone display are described in the following table.
Table 3. Icons in the Telephone Display
Icon Description
Call forward, Send All Calls, or EC500 is active. (These features are available
if they have been administered for your telephone.)
Incoming call is ringing.
Call is active.
Call is on hold.
Call is on soft hold (when using Conference or Transfer feature).
Conference is active.
Conference is on hold.
Scroll up or down for other options.
About Paper Labels
Next to each call/line appearance button and feature button is a paper label. The label
identifies the call/line appearance number or the feature that has been programmed on
the button by your system administrator. You can remove the labels if you want to change
Introduction to the 1603 IP Telephone
Issue 1 July 2007 9