To make an internal call using an
extension key, simply press the function
key programmed for the extension you
wish to ring.
The display will show the ringing party on
the first line and the extension key LED
will flash. The phone is in handsfree
mode. You can lift the handset at any
time to exit handsfree mode.
The call can be ended at any time by:
• Pressing the <Endcall> key
• Replacing the handset or
• Pressing the ON HOOK key