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Glossary
Gigaset A580 IP / GBR / A31008-xxxx-xxxx-x-xxxx / glossary.fm / 24.03.2010
Version 8, 03.09.2008
P
Paging (handset search)
A base station function to locate registered handsets. The base station establishes
a connection to every registered handset. The handsets start to ring. Paging is acti-
vated by briefly pressing the button on the base station and is deactivated by
briefly pressing the same button again.
PIN
Personal Identification Number
Protects against unauthorised use. When the PIN is activated, a number combina-
tion has to be entered in order to access a protected area.
You can protect your base station configuration data with a system PIN (4-digit
number combination).
Port Data is exchanged between two applications in a Network via a port.
Port forwarding
The Internet gateway (e.g. your router) forwards data packets from the Internet
that are directed to a certain Port to the port concerned. This allows servers in the
LAN to offer services on the Internet without you needing a public IP address.
Port number
Indicates a specific application of a Network subscribers. Depending on the setting
in the LAN, the port number is permanently assigned or else it is newly assigned
with each access.
The combination of IP address/Port number uniquely identifies the recipient or
sender of a data packet within a network.
Pre-dialling
£ Block dialling.
Private IP address
£ Public IP address.
Protocol Describes the agreements for communicating within a Network. It contains rules
for opening, managing and closing a connection, about data formats, time frames
and possible error handling.
Proxy/proxy server
Computer program that controls the exchange of data between Client and Server
in computer networks. If the phone sends a query to the VoIP server, the proxy acts
as a server towards the phone and as a client towards the server. A proxy is
addressed via Domain name/IP address and Port.
Public IP address
The public IP address is the address for a network component on the Internet. It is
assigned by the Internet Service Provider. Devices that act as a link from a local net-
work to the Internet (gateway, router) have a public and a local IP address.
£ IP address and NAT
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