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TELEPHONE OPERATION
LINE STATUS INDICATORS
The status of each line is indicated with a LED in the LINE SELECT keys.
Mode
This Extension
Other Extension
Idle
Off
In Use
Solid Green
On Hold
Slow Green
Ringing
Fast Green
POT in Use
Slow Red
Transfer
Slow Green
VOLUME CONTROL
Volume levels for each of the three off-hook modes and the telephone ringer can be
independently set. Once set, the volume for each mode will be saved until a new setting is
entered.
Corded Handset: 4 levels
Speaker: 8 levels
Headset: 4 levels
Ringer: 4 levels
OFF-HOOK VOLUME
1 .
To change the volume level for each mode, press VOLUME + or VOLUME – when in that
mode.
2 .
A tone will sound when the highest or lowest setting is reached.
NOTE:
There is no tone when the highest speaker volume level is reached.
RINGER VOLUME
1.
From the idle mode, press VOLUME + or VOLUME – until the desired ringer level is heard.
Off
Solid Red
Slow Red
Fast Green
Slow Red
Fast Green
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TELEPHONE OPERATION
MAKING TELEPHONE CALLS
Incoming and outgoing calls can be made using the handset, headset or speakerphone modes.
Switch between off-hook modes as follows:
Handset to headset – press HEADSET.
Handset to speakerphone – press SPEAKER.
Headset to handset – lift the handset.
Headset to speakerphone – press SPEAKER.
Speakerphone to handset – lift the handset.
Speakerphone to headset – press HEADSET.
PRIME LINE
When a line is set as the PRIME LINE, the 420 will attempt to seize this line when the phone is
taken off-hook. If the PRIME LINE is not available when the phone goes off hook, the next
available line will be selected. If all lines are in use, an error tone will be heard and no line will be
seized.
The PRIME LINE selection can be overridden simply by pressing the LINE SELECT button. If the
line selected is free, the speakerphone will be automatically activated. If the line is in use, the
line will not be seized.
RECEIVING TELEPHONE CALLS
A call can be manually answered by pressing the LINE SELECT button for the ringing line. The
speakerphone will turn ON and the call will be answered.
If the phone is ringing and is taken off-hook, the ringing line will be answered. If more than one
line is ringing, the line that was ringing first will be answered.
If the phone is ringing and you do NOT wish to answer the call but wish to make an outgoing
call, press the LINE SELECT button of a non-ringing line.
RECEIVING CALL WAITING CALLS
If you subscribe to Call Waiting and a call is received on a line in use for another call, you will
hear a beep to indicate the presence of a Call Waiting call. If you subscribe to Call Waiting Caller
ID, the Caller ID information will appear on the display.
To answer the call waiting call, either press FLASH or enter the CENTREX call waiting command
(for example 99) on the desk station. To simplify CENTREX operation, you can program the
command into one of the feature keys. Refer to your CENTREX manual for the correct command
sequence.
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