Samsung GSM1800 - Manual (Page 42)

Phone Book
42
Using the Service Dialling Numbers
You can view the list of Service Dialling 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 Name
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 Dialling Numbers.