140140
Glossary
140
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.
VN251S_VZW_UG_EN_V1.0_130410.qxd 4/11/13 1:45 PM Page 140
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