Sony GC89 User Guide - Page 109

Glossary, Bearer, COM Port, CS-1 to CS-4, e-GSM, GSM 900

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Glossary Bearer Path over which data flows. Specifically in CSD the type of telephony link from the GSM network to the server V PSTN or ISDN. bps Bits per second - rate of data flow. COM Port Defines a serial/RS-232 port within the Windows® environment. May be physical (COM1 port on the rear of the PC) or virtual (COM5 port communicating with a PC card modem) CS Circuit Switched. Connection from A to B which has a fixed bandwidth and is maintained over a period of time, for example a voice telephone call. CS-1 to CS-4 Coding Scheme. Determines the data rate per timeslot in GPRS. CSD Circuit Switched Data. CSD is a GSM service providing a CS data connection at a rate of 9.6 or 14.4 kbps. DUN Dial-Up Networking. EDGE Enhanced Data rates for Global Evolution. e-GSM Extended GSM. New frequencies specified by the European Radio Communications Committee (ERC) for GSM use when additional spectrum is needed (Networkdependent). It allows operators to transmit and receive just outside GSM's core 900 frequency band. This extension gives increased network capability. ETSI European Telecommunications Standards Institute. www.etsi.org GGSN Gateway GPRS Support Node. GPRS General Packet Radio Services. GSM Global System for Mobile Communications. GSM is the world's most widely-used digital mobile phone system, now operating in over 160 countries around the world. GSM 850 Refers to a GSM system running in the 850MHz band. Used in the USA and Canada. GSM 900 The GSM system family includes GSM 850, GSM 900, GSM 1800 and GSM 1900. There are different phases of roll-out for the GSM system and GSM phones are either phase 1 or phase 2 compliant. GSM 1800 Also known as DCS 1800 or PCN, this is a GSM digital network working on a frequency of 1800 MHz. It is used in Europe and Asia-Pacific. GSM 1900 Also known as PCS. Refers to a GSM system running in the 1900MHz band. Used in the USA and Canada. HTML HyperText Markup Language. HTTP HyperText Transfer Protocol. ISDN Integrated Services Digital Network. Can provide circuit-switched data connections in multiples of 64 kbps. ISP Internet Service Provider. Glossary 109

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Glossary
109
Glossary
Bearer
Path over which data flows. Specifically in CSD the type
of telephony link from the GSM network to the server -
V PSTN or ISDN.
bps
Bits per second - rate of data flow.
COM Port
Defines a serial/RS-232 port within the Windows
®
environment. May be physical (COM1 port on the rear of
the PC) or virtual (COM5 port communicating with a PC
card modem)
CS
Circuit Switched. Connection from A to B which has a
fixed bandwidth and is maintained over a period of time,
for example a voice telephone call.
CS-1 to CS-4
Coding Scheme. Determines the data rate per timeslot in
GPRS.
CSD
Circuit Switched Data. CSD is a GSM service providing
a CS data connection at a rate of 9.6 or 14.4 kbps.
DUN
Dial-Up Networking.
EDGE
Enhanced Data rates for Global Evolution.
e-GSM
Extended GSM. New frequencies specified by the
European Radio Communications Committee (ERC) for
GSM use when additional spectrum is needed (Network-
dependent). It allows operators to transmit and receive
just outside GSM’s core 900 frequency band. This
extension gives increased network capability.
ETSI
European Telecommunications Standards Institute.
www.etsi.org
GGSN
Gateway GPRS Support Node.
GPRS
General Packet Radio Services.
GSM
Global System for Mobile Communications. GSM is the
world’s most widely-used digital mobile phone system,
now operating in over 160 countries around the world.
GSM 850
Refers to a GSM system running in the 850MHz band.
Used in the USA and Canada.
GSM 900
The GSM system family includes GSM 850, GSM 900,
GSM 1800 and GSM 1900. There are different phases of
roll-out for the GSM system and GSM phones are either
phase 1 or phase 2 compliant.
GSM 1800
Also known as DCS 1800 or PCN, this is a GSM digital
network working on a frequency of 1800 MHz. It is used
in Europe and Asia-Pacific.
GSM 1900
Also known as PCS. Refers to a GSM system running in
the 1900MHz band. Used in the USA and Canada.
HTML
HyperText Markup Language.
HTTP
HyperText Transfer Protocol.
ISDN
Integrated Services Digital Network. Can provide
circuit-switched data connections in multiples of
64 kbps.
ISP
Internet Service Provider.