Gigaset A580 IP User Manual page 182

O
Outbound proxy
Alternative NAT control mechanism to STUN and ALG.
Outbound proxies are implemented by the VoIP provider in firewall/NAT environ-
ments as an alternative to
firewall.
Outbound proxy and STUN servers should not be used simultaneously.
£
STUN
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
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.
£
Pre-dialling Block
Private IP address
£
Public IP
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.
SIP proxy
and NAT.
Port
IP address/Port
dialling.
address.
server. They control data traffic through the
Network
to the port concerned. This allows servers in the
Network subscribers. Depending on the setting
number uniquely identifies the recipient or
Glossary
via a port.
Internet
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