LG 237C User Manual page 98

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
Number Assignment Module is how the phone stores the phone number and its
electronic serial number.
SSL
Secure Sockets Layer Protocol is used to encrypt data sent over the air.
TTY
Teletypewriter. 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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