IBM -4900 Manuel D’Utilisation

Page de 44
Conference Call with an External Party
 While in conversation, press the [HOLD] key and make the second call on another available line.
2. After the third party has answered, press the [CONF] key.
3. Your three-way conference call has now been established.
Conference Call with an Internal Party
I. While in conversation, press the [HOLD] key and make the second call via the intercom function.
2. After the third party has answered, press the [CONF] key.
3. Your three-way conference call has now been established.
DO NOT DISTURB (DND)
The DND function prevents all calls (outside, paging or intercom) from ringing at your extension. If you
call an extension that is in DND mode, you will hear a busy signal.
I. To activate the DND function, press the [DND] key 
 the LED will light.
2. To cancel DND, press the [DND] key again.
The [FLASH] key supports custom-calling services from your local telephone company (such as call
waiting). Both the base and the cordless handset have a [FLASH] key.
LINE PRIVACY
Line Privacy is activate by default to ensure conversation privacy. A line in use will always maintain pri-
vacy unless you cancel it to allow other phones in the system to join your call.
To 
Cancel Line Privacy:
I. Use the [SPKR] key on the base to begin a call.
2. While conversing, press the Line key that the call is on (LINE I, 
 etc.). This must be the
base Line keys, not the cordless handset.
3. You will hear a short single ring indicating that you have released Line Privacy. Other extensions
may now join/listen in on your conversation.
NOTE: Line Privacy  is automatically restored  when  the call is terminated. To restore line privacy during a
call press the 
 key again. You will hear a double ring confirming line Privacy has been reactivated.