Appendix g – list of terms, Appendix g, See also – Magellan GLOBAL SATELLITE TELEPHONE User Manual
Page 151: Appendix g – list of terms appendix g

WorldPhone – Chapter 5. Appendices G-1
AOR-E Atlantic Ocean Region East,
AOR-W Atlantic Ocean Region West,
ARQ automatic repeat request, protocol for error detection and automatic
retransmission of defective blocks of data.
ASD asynchronous data transmission
ASD function/service the built-in capability of the WorldPhone for asyn-
chronous data transmission.
AT command used to control modem functions from the PC keyboard
(ATtention).
AT modem the built-in modem of the WorldPhone that performs the modu-
lation and demodulation required for data communication.
Azimuth horizontal direction angle between north and, e.g. the direction to
the satellite.
Bit rate the number of bits transmitted per second (bps).
Bps Bits per second
CHV2 higher access level on the SIM card, corresponding to WorldPhone
"owner" level.
DC Direct Current
DCE data circuit terminal equipment
Deg degrees
DTE data terminal equipment
DTMF Dual-Tone Multifrequency Dialing, pulsing in which each digit is
represented by a specific pair of audio frequencies (one tone below 1000 Hz
and another above 1200 Hz).
Elevation vertical angle to the satellite, e.g. the height of the satellite above
the horizon.
FWD ID forward Id, telephone network identity
IMN Inmarsat Mobile Number, a unique 9-digit number which identifies each
port of the WorldPhone.
Inmarsat International Maritime Satellite Organisation.
IOR Indian Ocean Region,
ISN Inmarsat Serial Number, individual number assigned to each
WorldPhone terminal.
ISP Inmarsat Service Provider
Kbps Kilobits per second
List of terms
Appendix G – List of terms
Appendix G
List of terms