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Gigaset C530 IP / LUG - USA en / A31008-XXXXX-XXXX-X-XX / Glossary.fm / 25.03.2015
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Glossary
O
Outbound Proxy
Alternative NAT control mechanism to STUN and ALG.
Outbound proxies are implemented by the VoIP provider in firewall/NAT environments as an
alternative to
. They control data traffic through the firewall.
Outbound proxy and STUN servers should not be used simultaneously.
See also:
.
P
Paging
(handset search)
(German: Funkruf )
Base function for locating the registered handsets. The base establishes a connection to
every registered handset. The handsets start to ring.
PIN
Personal Identification Number
Protects against unauthorised use. When the PIN is activated, a number combination has to
be entered to access a protected area.
You can protect your base configuration data with a system PIN (4-digit number
combination).
Port
Data is exchanged between two applications in a
across a port.
Port forwarding
The Internet gateway (e.g. your router) forwards data packets from the
directed to a certain
to the port concerned. This allows servers in the
to offer
services on the Internet without you needing a public IP address.
Port number
Indicates a specific application of a
. Depending on the setting in the
, the port number is permanently assigned or it is assigned with each access.
number uniquely identifies the recipient or sender of a
data packet within a network.
Pre-dialling
See
.
Private IP address
See
Protocol
Describes the agreements for communicating within a
. 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
and
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
/
and
.
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