Enfora Enabler II-G Assisted GPS Modem Integration Guide A unique number for each GSM Terminal tracked by the GSM operators in
their Equipment Identity Register (EIR) database.
IMEI
International Mobile
Equipment Identity
A unique number identifying the subscriber stored in the SIM card.
Number is used in conjunction with the network for call routing.
IMSI
International Mobile
Subscriber Identification
A secret code used in authentication and encryption by the terminal.
Ki
Any GSM/GPRS service originated at the mobile terminal.
MO
Mobile Originated
Any GSM/GPRS service originated from or routed through the network
and sent to the mobile terminal.
MT
Mobile Terminated
The central switch of the GSM network. Performs call routing, collects call
detail records for billing, and supervises system operations.
MSC
Mobile Switching Center
Delivers a constantly low error rate but with a non-guaranteed throughput
or delay. The Non-Transparent service provides a performance that is
closest to using a modem over a fixed PSTN line.
Non-Transparent Mode
OSHA-approved Nationally Recognized Testing Laboratory
NRTL
Nationally Recognized Test
Laboratory
Original Equipment Manufacturer.
OEM
Power Amplifier.
PA
A collection of data transmitted over a digital network in a burst.
Packet
Personal Communication Services.
PCS
Personal Digital Assistant.
PDA
Packet Data Unit.
PDU
Point-To-Point Protocol.
PPP
Subscriber Identity Module.
SIM
Short Message Service.
SMS
Short Message Service Center.
SMSC
SUPL
User Datagram Protocol.
UDP