LG VX5500 - Manual (Page 114)

Glossary
ERI
E nhanced R oaming I ndicator is a
feature to indicate whether a mobile
phone is on its home system, a partner
network, or a roaming network. Many
phones indicate home vs. roaming as an
icon, but ERI capable phones can clearly
indicate third “partner network” status.
GPS
G lobal P ositioning S ystem is a system of
satellites, computers, and receivers able
to determine the latitude and longitude of
a specific receiver on Earth. Position is
calculated using time and distance.
IS 2000
Type of digital signaling. It's the second
generation of CDMA digital cellular, an
extension of IS-95. Differences between
signaling types have to do with pilot
signal and links to provide more traffic
channels, and control protocols.
NAM
N umber A ssignment M odule is how the
phone stores the phone number and its
electronic serial number.
SSL
S ecure S ockets L ayer Protocol used to
encrypt data sent over the air.
TTY
T ele ty pewriter. An electromechanical
typewriter that either transmits or
receives messages coded in electrical
signals. A phone with TTY support is able
to translate typed characters to voice or
translate voice into characters to display
on the TTY.
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