AT&T SBC-420 - Manual (Page 15)

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Calls on any 420 extensions are private. Other 420 extensions cannot intrude on the call unless
the extension user releases privacy.
TO DEACTIVATE CALL PRIVACY (ALLOWING OTHERS TO JOIN CALL)
1 .
While on a call, press the LINE SELECT key. A beep will sound indicating that privacy is
released.
2 . The LINE STATUS LED for the released privacy call will remain lit on the other extensions,
allowing others to join the call by simply pressing the LINE SELECT key.
TO RESTORE CALL PRIVACY
1 . Press the LINE SELECT key. A double beep will sound, indicating that privacy is restored.
2 . Any joined extensions will be dropped and the call will again be private.
Calls in progress on non-420 telephones common lines are not private and can be joined at any
time by a 420 extension.
TELEPHONE OPERATION
CALL PRIVACY – EXTENSION CONFERENCING
TELEPHONE OPERATION
TELEPHONE
TELEPHONE
The PAGING and INTERCOM features require that LINE 1 be common to all 420’s in the system.
NOTE:
■ Only one paging or intercom call can be supported at one time. When the paging/intercom system is in use
the INTERCOM indicator will light on all extensions in the system.
All extensions can be paged simultaneously by any 420 in the system.
1 . Press PAGE ALL. The INTERCOM and SPEAKERPHONE indicators will light.
2 . Lift the handset, activate the headset or simply speak into the built in speakerphone
microphone.
3 .
To end the page, hang-up the phone by pressing SPEAKER, HEADSET or return the handset
to the cradle.
ANSWERING A SYSTEM WIDE PAGE
When extension 12 intiates a system wide page, every idle 420 in the system will have the
following display:
PAGE ALL BY 12
CID:000/001
PAGING AND INTERCOM
PAGING ALL EXTENSIONS
The 420 allows you to bridge a call between any two lines to establish a 3-way conference call.
1 . Initiate the first call.
2 . Place the first call on HOLD.
3 . Initiate the second call.
4 .
Press CONFERENCE. You will now be talking to parties on both lines.
5 .
To end the conference call simply hang-up.
NOTE:
„ In some instances where the two parties joined by the 420 are a long distance away from their telephone
company’s central office, these two far end parties might not hear each other very well. If this occurs
frequently, it is recommended that the telephone company’s 3-way calling service be used.*
■ Call Waiting Caller ID records will not be displayed or logged during a 3-Way Conference Call.
*Subscription to 3-way calling service is required.
3-WAY CALL CONFERENCING
TONE/PULSE MIXED DIALING
This feature is useful if your telephone service is PULSE and you need to use TONE dialing to
access a special service. This feature is only needed if you have programmed the TONE/PULSE
setting to PULSE mode.
1 .
Dial the telephone number and wait for the line to connect.
2 .
Press ❋ ❋ ❋ ❋ ❋ TONE on the key pad to temporarily change from PULSE dialing to TONE dialing.
3 . Dial the tone numbers (such as automated menu choices).
4 . Hang up and the 420 automatically returns to the PULSE mode.
DND – DO NOT DISTURB
When DND is activated, the 420 will not ring for an intercom, transferred or regular telephone
call. Likewise, the paging feature will also be muted allowing you to work undisturbed.
TO ACTIVATE DND
1 .
Press DND to activate the feature.
2 .
The DND LED will light on the button and DND will appear in place of EXT on the LCD,
indicating that the feature is ON.
When another extension attempts to intercom or page an extension on which DND is active, the
calling party will hear a fast busy tone.
TO DEACTIVATE DND
1 . Simply press DND. The LED will turn off and the telephone will ring and be available to
intercom or page an extension.