Using Caller Id - Samsung SPH A420 Owner's Manual

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 Trumpet Mobile
Customer Care.
110 Section 3A: Trumpet Mobile Service Features: The Basics
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