Samsung A820 - Manual (Page 189)

Section 3A: Service Features: The Basics 181
Ser
vice F
e
a
tures
Using Caller ID
Caller ID allows people to identify a caller before answering
the phone by displaying the number of the incoming call. If
you do not want your number displayed when you make a
call, just follow these easy steps.
To block your phone number from being displayed for a specific
outgoing call:
1. Press .
2. Enter the number you want to call.
3. Press .
To permanently block your number, call STi Mobile at
1-800-784-3277.