NEC DT510 User Manual page 21

Note: If the unavailable extension was unanswered
(not busy), the Callback goes through after your co-
worker uses their telephone for the first time.
Note: If you have Callback Automatic Answer, you
automatically place a call to the formerly busy
extension when you lift the handset. If you do not have
Callback Automatic Answer, you must press the ringing
line appearance to place the call.
To cancel a Callback:
(1) Press the idle Speaker key and dial 770.
-OR-
(1) Press the Camp-On key (Service Code 751:35).
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CAMP-ON
Message Waiting
To leave a Message Waiting:
(1) Call a busy or unanswered extension.
(2) Dial 0 or press the Message Waiting key
(Service Code 751:38).
(3) Hang up.
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MSG >>>
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STA 12345678
3:15PM
STA 12345678
To answer a Message Waiting:
Note: When you have a message, your Message Waiting
LED flashes.
(1) Press the Speaker key and dial *0.
-OR-
(1) Press the MW softkey or Message Waiting key
(Service Code 751:38).
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12345678
MW from
Call
Note: If the called extension does not answer, dial 0 or
press your Message Waiting key to automatically leave
a message.
To cancel all your Messages Waiting:
Note: This includes messages you have left for other
extensions and messages other extensions have left for you.
(1) Press the Speaker key.
(2) Dial 773.
(3) Hang up.
To cancel the Messages Waiting you have left at a
specific extension:
(1) Press the Speaker key.
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3:15PM
STA 12345678
MW Menu
STA 12345678
Cncl