Siemens GIGASET A580 User Manual page 177

Glossary
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 talk-
ing more convenient. There are headsets available that can be connected to the
handset by a cable.
HTTP proxy
Server via which the
Uses one
Hub
data sent to the hub by one network subscriber is forwarded to all network sub-
scribers.
£
Gateway, Router.
I
IEEE
Institute of Electrical and Electronics Engineers
International body that defines standards in electronics and electro-technol-
ogy, concerned in particular with the standardisation of LAN technology, trans-
mission protocols, data transfer rate and wiring.
Infrastructure network
Network with central structure: all
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.
Global WAN. A series of protocols have been defined for exchanging data,
Internet
known by the name TCP/IP.
All Network subscriber
Domain name
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 Internet. IP is responsible for addressing subscribers in
a Network
ient. IP determines the paths (routing) along which the data packets travel.
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Network subscriber
Infrastructure network
are identifiable via their
to the IP address.
using IP addresses and transfers data from the sender to the recip-
can process their Internet traffic.
to connect several Network
Network subscriber
IP address.
subscriber. All
communicate via a
DNS assigns a