Nortel Networks 9150 - Manual (Page 299)

Remote Gateway 9150 Installation and Administration Guide 269
January 2005 Using Remote Gateway 9150 stations
Locally controlled indicator updates
The following indicators are updated by the Remote Gateway 9150 unit (that is,
these indicator updates are locally controlled):
!
host and local call appearance key indicators
The indicator lights when the handset is taken off-hook, or when you press
the call appearance key to go off-hook.
Note: The Remote Gateway 9150 unit passes key presses and the on- or
off-hook status for the host call appearance key to the host PBX.
!
Handsfree
!
Mute