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MD Evolution – Dialog 4223 Professional
Operations for Outgoing Calls
Call with Temporary Protection
When you place either an internal or external call that you deem 
particularly important, you may choose to activate phonic protection.
Valid on a call by call basis, this protection ensures that you will not 
be disturbed by the signal that sounds when a new incoming call is 
presented to you. It is still possible to place new calls to your exten-
sion on camp-on.
This service protects you from any intrusion or offer that could take 
place during your conversation, most specifically from an attendant. 
These services are then refused in light of your conversation in pro-
gress.
To activate this protection service, after lifting the handset or directly 
in handsfree mode:
>> Press the Next key to display the following screen, applicable 
for idle extensions:
PROTECT Press the dynamic function key shown on the left.
NO TO CALL  z Next, dial the desired number.
You may do so according to any of the methods available for dialling 
an internal or external number. Your call is then established normally.
Note: Certain extensions (such as yours) may possibly be 
equipped with permanent phonic protection. The above-
described service is therefore applied to all calls that are 
placed, without requiring any particular action on your part.
FRI 20-APR  15:28
   4 Callers Station 420
SIGN_ON MESSAGE PROTECT RETRIEVE <
FRI 20-APR  15:28
L ?  Protect  _
REDIAL CALLERS PICKUP NAME >