Samsung SGH-X497OSACIN - Manual (Page 79)

Section 6: Understanding Your Address Book 79
Service Dialing Number
Section 6
2. Select the Service Number option by pressing the Up or
Down key and press the Select soft key or the key.
3. Scroll through the numbers by using the Up or Down
key.
4. To dial the number displayed, press the Select soft key
or the key.
Note: This menu is available only when your SIM card supports Service
Dialing Numbers.