Samsung SGH-D415MSATMB - Manual (Page 48)

Phone Book
45
Using the Service Dialing Numbers
You can view the list of Service Dialing Numbers (SDN)
assigned by your service provider. These numbers include
emergency numbers, directory enquiries and voice mail
numbers.
1. When the idle screen displays, press the Ph.Book soft key.
2. Select the SDN option by pressing the Up or Down key and press
the Select soft key.
3. Scroll through the numbers by using the Up or Down key.
4. To dial the number displayed, press the Dial soft key.
Note: This option is available only when your SIM card supports
Service Dialing Numbers.