Nortel Networks i2021 Series manual Operations, Voice Operation, Terms and Nomenclature

i2021 ISDN Teleset

OPERATIONS

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.

LED State	Meaning
Off	Idle State
Red – Flashing Slow	Incoming Call
Red – Flashing Fast	Call on Hold (Local)
Green – Flashing Fast	Call on Hold (Shared)
Green - Steady	Call in Progress

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.

nMSG

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.

nMENU

The MENU key provides additional menu items and is used to exit from the menus. A steady light (red) lights the key when active.

nMORE

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

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