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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 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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