Samsung SGH X105 User Manual page 166

Use of your phone when you are outside your home area (when
travelling for example).
SDN (Service Dialing 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
which:
♦
Varies according to the function that you are
currently using
♦
Is indicated on the bottom line of the display just
above the corresponding key
Dual Band
Ability to handle any of the following types of network: GSM 900
and GSM 1900 MHz bands, for greater call success and wider
roaming.
Voice Mail
and on the phone, the purpose of
Glossary
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