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Glossary
Gigaset DE700 IP PRO / en / A31008-M2211-R101-4-7619 / glossary.fm / 05.09.2012
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H
Headset
Combination of microphone and headphone. A headset makes using speaker mode more
convenient. Headsets that can be connected to the telephone via a cable are available.
HTTP proxy
Server via which
network subscribers
can process their Internet traffic.
Hub
Connects several
network subscribers
in one
infrastructure network
. All data sent to the
hub by one network subscriber is forwarded to all network subscribers.
See also:
Gateway
,
Router
.
I
IEEE
Institute of Electrical and Electronics Engineers
International body that defines standards in electronics and electrical engineering, con-
cerned in particular with the standardisation of LAN technology, transmission protocols,
data transfer rate and wiring.
Infrastructure network
Network with central structure: All
network subscribers
communicate via a central
router
.
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
WAN
. A series of protocols known as TCP/IP have been defined for exchanging
data.
All
network subscribers
are identifiable by an
IP address
.
DNS
assigns a
domain name
to
the
IP address
.
Important services on the Internet include the World Wide Web (WWW), e-mail, file trans-
fer and discussion forums.
Internet service provider
Enables access to the Internet for a fee.
Internet telephony
Voice over IP.
IP (Internet Protocol)
TCP/IP protocol on the
Internet
. IP is responsible for the addressing of subscribers in a
net-
work
using
IP addresses
, and routes data from a sender to the recipient. IP determines the
paths (routing) along which the data packets travel.
There are standard IPv4 and IPv6 protocols; the essential difference is the structure of the
IP addresses.