B2500_DUO_v3.QXD 03-01-2003 13:22 Page 16
Butler 2500/2500 DUO
7.CALL TRANSFER AND INTERCOM BETWEEN TWO HANDSETS (ONLY B2500 DUO !!!)
!!!These functions only work on the DUO version of the Butler 2500 !!!
7.1. Call transfer during an external call
•During an external call, press the INT key.
•The other handset will start to ring for 30 s. If the other handset doesn’t take the call, the external call will be switched back.
-When the other handset takes the line you can talk internally. If you hang up, the external line will be connected with the other handset.
-Or press the INT key again to return to the external call.
•Press the Line button 
to end the call.
7.2. Internal call (intercom)
•In standby press the INT key.
•The other handset will start to ring 30s. You can stop the ringing by pressing the INT key again.
•If the other handset answers the call by pressing the Line button
you can talk internally.
•Press the Line button 
to end the call.
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