Panasonic KX-T336 System Reference Manual page 361

Setting Automatic Callback-Trunk (2)
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1.
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2.
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799
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BP-PHONE
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3.
II
Press the CO button (PCO,
SCO* or GCO) which is lit in
red without lifting the handset.
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The indicator on the pressed
CO button lights in green.
You hear dial tone 1.
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You are in hands-free mode.
Dial the telephone number of the
outside party.
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You hear busy tone 3.
Press the SP-PHONE button.
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If your PITS has a display, it
shows:
1 TrunkQueuing 1
* In non-privacy system, pressing the SC0
button does not set Automatic Callback-Trunk
but establishes a three-party conversation.
Refer to Section 4-G-l .OO "Programmable
Privacy" for further information.
Answering callback ringing
As soon as the specified CO line or a CO line in
the specified trunk group becomes idle, callback
ringing starts.
1.
Lift the handset or press
the SP-PHONE button.
I-
I
l
The last dialed number is sent
to the line automatically and
calling the other party starts.
4-C-23