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Voice Operation
Most of the operations described to this point are switch related or
controlled. Voice Operation consists of features/options controlled by the
Teleset.
Terms and Nomenclature
Of all the terms used in basic telephony, none is more widely used than
"On-Hook and Off-Hook." They refer to placing or removing the handset,
or receiver, in the cradle (usually on the top or in the front) of the
instrument. The button protruding up from the cradle is the "On and Off"
switch, or switch hook, of the phone. Pressing the Speaker key and
requesting dial tone is also considered going "Off-Hook". This background
is helpful in understanding the instructions that follow.
Call Appearance LED's
The various states of the Call Appearance indicators (hardkeys)
are described in the following table.
Red – Flashing Slow
Red – Flashing Fast
Green – Flashing Fast
Non-Programmable Hardkeys and Indicators
Non-programmable Hardkeys and Indicators are found to the right of the
touchtone keypad. Some of the keys in this group perform important
calling and answering functions.
MSG
n
If your line service includes the Message Waiting feature, the MSG1
(and MSG2, when available) indicator will flash (red) when someone
has left a call at your message center.
MENU
n
The MENU key provides additional menu items and is used to exit
from the menus. A steady light (red) lights the key when active.
MORE
n
The MORE key lights to indicate that there are choices available for
current menus. If the MORE key is lit continuously, it indicates there
are additional menu items available by pressing the key. When the
i2021 ISDN Teleset
OPERATIONS
LED State
Off
Green - Steady
Meaning
Idle State
Incoming Call
Call on Hold (Local)
Call on Hold (Shared)
Call in Progress
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