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Glossary
Term
Description
CDPD
Cellular Digital Packet Data. An enhanced system
overlay for transmitting and receiving data over cellular
networks.
Conversation mode
When the phone is making or receiving a call.
DTMF
Dual Tone Multi-Frequency. Touch tones.
EID
Equipment Identifier for a data device.
Gateway
A network point that acts as an entrance to another
network.
GSM
Global System for Mobile Communications.
HDML
Handheld Device Markup Language – the text-based
language used to construct Web pages for wireless
phones. Now called Wireless Markup Language.
HTML
Hypertext Markup Language – the text-based language
used to construct Web pages for computers.
HTTP
Hypertext Transmission Protocol – used by computers
to communicate with each other on the Internet.
IP address
Internet Protocol address – the unique number
representing each computer or wireless
communication device in a network.
LCD
Liquid Crystal Display.
LED
Light Emitting Diode.
NEI
Network Entity Identifier – IP address.
Packet data
A unit of data that is routed between an origin and a
destination on the Internet or any other packet-
switched network.
PIN
Personal Identification Number. Supplied by your
network/service provider
RSSI
Received Signal Strength Indicator.
SMS
Short Message Service.
SPI
Service Provider Identifier.
SPNI
Service Provider Network Identifier.
Standby mode
When the phone is on and registered on a network but
not making or receiving a call or transmitting data.