LG CP150 User Manual page 104

CP150 AT&T_ENG_080909
Glossary
SDN (Service Dial Number)
Telephone numbers supplied by your
network provider and giving access to
special services, such as voicemail,
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.
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1904.3.30 2:49 AM
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 (up to
160 characters long) can be displayed,
received, edited or sent.
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