3D Connexion 555-540-702 사용자 설명서

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2  After confirmation tone and dial tone, press       #       6         0  .

If a System 25 extension or outside line is busy when you place a
call, you can request a callback. Your call will wait in a line (a

“queue” ) for the extension or line to become available. The

system will then ring you back and complete the call.

For inside calls, use Callback when you hear a busy or special
ringback tone. For outside calls, use Callback only when you
hear a fast busy tone. (You may hear the callback request
queueing tone automatically when you place certain calls.)

1 Press the switchhook.

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3 Listen for queueing tone, then hang up.

If you do not hear queueing tone, your request has

not been accepted for this call.

1 When you hear priority ring, lift the handset.

If you remained off-hook after requesting Callback,

you will not receive priority ring.

2 Listen for dequeueing tone.

1 Lift the handset (or press the switchhook) and listen for dial

tone.

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2 Press   #    6    1   and hang up