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Glossary
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Public IP address
The public
(also known as the global IP address) is a network component's
address on the
. Devices that cre-
ate a link from a LAN to the Internet, such as the Gigaset SX761 dsl, have a public and
.
PBX
Private Branch Exchange
PBX is the English acronym for a public branch exchange, which allows connection and
configuration of extensions and telephone functions.
Port
Data is exchanged between two applications in a network across a port. The port
number addresses an application within a network component. The combination of
/port number uniquely identifies the recipient or sender of a data packet within
a network. Some applications (e.g. Internet services such as HTTP or FTP) work with
fixed port numbers; others are allocated a free port number whenever they need one.
Port forwarding
In port forwarding, the Gigaset SX761 dsl directs data packets from the
that are
to the corresponding port of the appropriate network
component. This enables servers within the local network to offer services on the Inter-
net without them needing a
.
PPPoA
Point-to-Point Protocol over ATM
PPPoA is a
for connecting network components in a local Ethernet network to
the
via an ATM network.
PPPoE
Point-to-Point Protocol over
for connecting network components in a local Ethernet network to
the
via a modem.
Print server
See
Private IP address
(also known as the local IP address) is a network component's
address within the local network (
). The network operator can assign any address
he or she wants. Devices that act as a link from a local network, such as the Gigaset
SX761 dsl, have a private and a
