16.2.3  

Do Not Disturb On/Off 
 

Feature codes (via DTMF)  
 •   Do Not Disturb on: *97
 •   Do Not Disturb off: #97

Operation  
 1.   The mobile station dials the DISA phone number (for example, the number saved in the mobile station phonebook). A connection to the system is established.
 2.   The mobile station enters the feature code for the desired function.
 3.   The connection ends automatically.