Siemens Gigaset A580IP Manual page 181

Glossary
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 unauthorized use. When the PIN is activated, a number combina-
tion has to be entered 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
Port forwarding
The Internet gateway (e.g. your router) forwards data packets from the
that are directed to a certain
LAN to offer services on the Internet without you needing a public IP address.
Port number
Indicates a specific application of a
in the LAN, the port number is permanently assigned or else it is newly assigned
with each access.
The combination of
sender of a data packet within a network.
£
Predialing Block
Private IP address
£
Public IP
Protocol Describes the agreements for communicating within a Network. It contains rules
for opening, administering 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
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
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
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Port
IP address/Port
dialing.
address.
Domain names/IP addresses
and NAT
Network
to the port concerned. This allows servers in the
Network subscriber. Depending on the setting
number uniquely identifies the recipient or
and Ports.
via a port.
Internet
Client and Server