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CE 450 IP R / IM-Ost english / A31008-M1817-R601_1-7619 / glossary.fm / 02.03.2007
Ve
rs
ion 2,
21
.12.
2006
Gateway
Connects two different
with one another, e.g. router as Internet gateway.
For phone calls from
to the telephone network, a gateway has to be connected to
the IP network and the telephone network (gateway/VoIP provider). It forwards calls
from VoIP to the telephone network as required.
Gateway Provider
Global IP Address
.
GSM
Global System for Mobile Communication
Originally, European standard for mobile networks. GSM can now be described as a
worldwide standard. In the USA and Japan national standards are now more frequently
supported than in the past.
H
Headset
Combination of microphone and headphone. A headset makes handsfree talking more
comfortable. There are headsets available which are connected to the handset by a
cable.
HTTP Proxy
Server via which the
can process their Internet traffic.
Hub
sent to the hub by one network subscriber is forwarded to all network subscribers.
See also:
I
IEEE
Institute of Electrical and Electronics Engineers
International body that defines standards in electronics and electrotechnology, con-
cerned in particular with the standardisation of LAN technology, transmission protocols,
data transfer rate and wiring.
Infrastructure network
Network with central structure: all
communicate via a central
.
Internet
. A series of protocols have been defined for exchanging data, known by the
name TCP/IP.
All
can be identified by their
to the
Important services on the Internet include the World Wide Web (WWW), e-mail, file
transfer and discussion forums.
Internet Service Provider
Enables access to the Internet for a fee.