2.9  Filtering calls using the voice mailbox 
This service lets you filter incoming calls to your voice mailbox. When your caller leaves his message 
you can choose to communicate with him. This feature depends on the system configuration. If 
necessary, contact your administrator. 
2.9.1  Activating call screening 
  Voice mail filtering programmed key. 
  Enter your personal password. 
  Same key to stop listening and deactivate the screening. 
2.9.2  When you receive a call 
You hear the message left by your caller. 
Use one of the following: 
   Hands free to take the call. 
  Lift the receiver. 
   To stop listening only. 
2.10 Redialing 
2.10.1 Redialing the last number dialed (redial) 
   (short press)   Last number redial. 
2.10.2 Call back on the last 10 numbers dialed 
   (long press). 
  Select the number to redial from the last 10 dialed numbers. 
   or   Start the call. 
You can also access this feature through the menu: 
  Reach the 'Menu' page. 
  Redial list 
  Select the number to redial from the last 10 dialed numbers. 
2.11 Requesting automatic callback if internal number is busy 
  Internal number busy. 
  Call back   Callback request acknowledged. 
   
Automatic callback is not available if the set of your caller is free or if you are put on hold when the set is 
busy. 
2.12 Cancelling an automatic callback 
  When your phone rings. 
  Call back   Cancellation of callback request acknowledged. 
Canceling the callback request is only possible when the caller you tried to reach released the line.