177
Glossary
Gigaset A580 IP / US English / A31008-xxxx-xxxx-x-xxxx / glossary.fm / 28.04.2009
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H
Headset
Combination of microphone and headphone. A headset makes handsfree talk-
ing more convenient. There are headsets available that can be connected to the
handset by a cable.
HTTP Proxy
Server via which the
can process their Internet traffic.
Hub
.
All data sent to the hub by one network subscriber is forwarded to all network
subscribers.
£
I
IEEE
Institute of Electrical and Electronics Engineers
International body that defines standards in electronics and electro-technol-
ogy, concerned in particular with the standardization of LAN technology, trans-
mission protocols, data transfer rate and wiring.
Infrastructure network
Network with central structure: All
communicate via a
central
Instant messaging
Service that uses a client program to allow chatting in real time, i.e. to send
brief messages to other subscribers on the Internet.
Internet
Global
. A series of protocols have been defined for exchanging data,
known by the name TCP/IP.
Each
.
assigns a
.
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.
IP (Internet Protocol)
TCP/IP protocol on the
. IP is responsible for addressing subscribers in
a
using
and transfers data from the sender to the recip-
ient. IP determines the paths (routing) along which the data packets travel.
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