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Butler 2450
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4.3.2 Receiving an internal call
This function only works if multiple handsets are subscribed to the base unit!
• The handset rings.
• ‘INT’ and the number of the handset calling, appear on the display. The Call
symbol blinks on the display.
• Press the Line key to accept the internal call.
• During the call, ‘INT’, the handset number of the caller and the symbol appear on the
display. The call timer starts running.
• After finishing your call, press the Line key to hang up.
4.3.3 Receiving an external call during an internal call
If you receive an external call during an internal call, you will hear a call waiting tone (double beep)
on both handsets being used for an internal call.
• Press the Line key twice to accept the external call.
• After finishing your call, press the Line key to hang up.
4.4 Activate/deactivate handsfree function
This function allows you to communicate without having to pick up the handset. When you are
talking, press the Up/Handsfree key / to activate the handsfree function.
Press the same button to deactivate the handsfree function.
Note : When you are calling in handsfree mode and you want to change the volume, press the Volume
button .
Attention !! When you use the handsfree function for a long time, the batteries will be empty quickly !
4.5. Headset connection
You can connect a headset with a 3 pole jack plug of 2,5mm on the right side of the handset.
When the headset is connected, you can only hear and talk through the headset. The headset
microphone can still be muted by the Mute key. The handsfree speaker can still be activated by
pressing the handsfree key .
4.6 Transferring a call to another handset
• You have an external caller on the line.
• Press the Programming key .
• ‘INTERCOM’ appears on the display.
• Press the Programming key .
• The external call is now on hold.
• ‘INT‘ appears on the display.
• Dial the number of the handset to which you would like to transfer the call.
• If the handset dialled is answered, you can have an internal conversation. Press the Line key
and the external call is transferred.
• If the handset dialled is not answered, press the Down key to speak to the external caller
again.
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