Motorola C331 - Manual (Page 136)

136
Security
When you restrict incoming calls to numbers stored in the
phonebook, a valid incoming call may be restricted if caller
ID information for the call is not available from the network.
Activating Talk Secure
Your phone can attempt to send your calls using a high-
security connection, to prevent others from intercepting
them. For more information, see page 32
Find the Feature M > Settings > Security
> Restrict Calls
Press To
1 keypad keys enter your unlock code
2 OK ( + ) open the restrict calls menu
3
S
scroll to Outgoing Calls or
Incoming Calls
4 CHANGE ( + ) select the option
5 CHANGE ( + ) change the Allow setting
6
S
scroll to All , None , or
Phonebook
7 SELECT ( + ) select the allowed calls
Find the Feature M > Settings > Security
> Talk Secure
Press To
1
S
scroll to Preferred or Off
2 SELECT ( + ) switch talk secure on or off