Samsung SPH-A880TSSXAR - Manual (Page 104)

90 Section 2D: Controlling Your Roaming Experience
To place roaming calls with Call Guard on:
1. From standby mode, dial 1 + area code + the seven-
digit number and press .
2. Press to confirm Roaming Rate.
To answer incoming roaming calls with Call Guard on:
1. Press
2. Press to confirm Roaming Rate.
Reminder: If the Call Guard feature is set to On, you need to
take extra steps to make and receive roaming calls.