Shows key feature label, key feature icon and the label
of switch key (such as List 1 or List 2) indicating the
current page at the top of the LCD screen.
Connects the supplied cord to the Ext in jack on the next
expansion module.
Connects a power adapter to the expansion module.
When more than two expansion modules are connected
to a single host phone, you need to connect a power
adapter to any one of the expansion modules.
Connects the supplied cord to the Ext jack on the host
phone or to the Ext out jack on the prior expansion
module.
Ext key LED (configured as a line key)
The line is in conversation.
The line is seized.
The line receives an incoming call.
The call is placed on hold.
Ext key LED (configured as a BLF key)
The monitored user is idle.
The monitored user receives an incoming call.
The monitored user is talking.
The monitored user‟s conversation is placed on
hold (This LED status requires server support).
The monitored user is dialing.
The call is parked against the monitored user‟s
phone number.
The monitored user does not exist.