Samsung SPH-A640ZKAAFT - Manual (Page 159)

Section 3A: Trumpet Mobile Service Features: The Basics 137
Aff
inity Service
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 at 1-888-774-2000.
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