switel DF 911 Mode D'emploi page 158

Telephoning
Transferring an external call to another handset
Broker's call
3-Party Conference
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Any handset hangs up during a conference call will leave the other
handset still in connection with the external call.
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During an external call . . .
Press the INT key.
Select the handset using the arrow keys
press Select.
The external call is put on hold. When the called handset
answers you can announce the call transfer.
Press the On-Hook key. The call will be transferred.
During an external call . . .
Press the INT key.
Select the handset using the arrow keys
press Select.
The external call is put on hold.
Use the INT key to switch between the calls.
During "Broker's call" . . .
You talk to the internal subscriber:
Press and hold the INT key until Conference appears in the
display.
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