Samsung D410 User Manual - Page 193
SDN Service Dialling Numbers, SIM Subscriber Identification Module, SMS Short Message Service - memory slot
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Glossary SDN (Service Dialling Numbers) Telephone numbers supplied by your network provider and giving access to special services, such as voice mail, directory inquiries, customer support and emergency services. SIM (Subscriber Identification Module) Card containing a chip with all the information required to operate the phone (network and memory information, as well as the subscriber's personal data). The SIM card fits into a small slot on the back of the phone and is protected by the battery. SMS (Short Message Service) Network service sending and receiving messages to and from another subscriber without having to speak to the correspondent. The message created or received can be displayed, received, edited or sent. Soft Keys Two keys marked and purpose of which: on the phone, the • varies according to the function that you are currently using. • is indicated on the bottom line of the display just above the corresponding key. 193