each other via access points only. There is no direct communication
between the individual clients. A network of this kind is also known
as a BSS (basic service set), and a network that consists of several
BSS is known as an ESS (extended service set). Most wireless net-
works operate in infrastructure mode to establish a connection with
the wired network.
Inquiry Makes it possible to put the first call on hold in the event of a call
waiting and take a new call.
Internal call tone Special signal on a PBX to differentiate between internal and extern-
al calls.
Internal calls Free-of-charge connection between terminals in a PBX.
Internal telephone
numbers
Your PBX has a fixed internal telephone number plan.
Internet The Internet consists of a number of regional, local and university
networks. The IP protocol is used for data transmission on the Inter-
net.
Internet time sharing Allows several users to surf the Internet simultaneously over an
ISDN connection. The information is requested by the individual
computers with a time delay.
Intranet Local computer network within a company based on Internet techno-
logy providing the same Internet services, e.g. homepages and
sending email.
IP Internet Protocol
IP Address The first part of the address by which a device is identified in an IP
network, e.g. 192.168.1.254. See also netmask.
IPComP IP payload compression
IPCONFIG A tool used on Windows computers to check or change its own IP
settings.
IPoA IP over ATM
ISDN Integrated Services Digital Network
ISDN address The address of an ISDN device that consists of an ISDN number fol-
lowed by further numbers that relate to a specific terminal, e.g.
47117.
Funkwerk Enterprise Communications GmbH
Glossary
bintec W1002/W1002n/W2002/WIx040/WIx065 397
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