Telephone User Guide

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Butler 575 plus
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4.2.4 Internal Calls between Handsets
If you want to talk to another handset, take the following steps :
• Press the [INT] button.
• Enter the number of the desired handset.
• When the called handset starts to ring, the Hookswitch will be pressed to
answer the incoming internal call.
• Press the Hookswitch button when you want to terminate the internal call.
Note : When a handset is in communication with another handset, you will hear a busy tone when
you try to reach one of these handsets.
4.3 External Call Transfer
When you are in communication with an external caller and you want to transfer
this external call to another internal handset, take the following steps :
• Press the [INT] button, followed by the number of the desired handset.
• As soon as the called handset starts to ring, the Hookswitch will be pressed.
Both handsets are now connected.
• The first handset will connect the external call to the second handset by pressing
the Hookswitch.
If the second handset doesn’t answer, press the [INT] button again and the fir s t
handset will be connected to the external call again.
4.4 Pause
While entering a phone number you can add a pause to this number by pressing the
Pause button [R/P]. It should not be the first digit of a telephone number otherwise
the Pause button will be interpreted as a Redial button.
4.5 Call Duration
During and after an external call, the call duration is shown on the display.
• After picking up the handset, the call duration
appears after 10 seconds.
• When the call is finished, the call duration will be
visible for another 2 seconds.
The time is displayed in the following format : [mm : ss] (minutes : seconds).
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