Gigaset A510IP User Manual page 174

Glossary
Music on hold
Music on hold
Music that is played while you are on a
participant hears music while on hold.
N
NAT
Network Address Translation
Method for converting (private)
the IP addresses of Network subscribers
behind a shared IP address for the
VoIP telephones behind a NAT router cannot be reached by VoIP servers (on account of the pri-
vate IP address). To "get around" NAT, it is possible to use either
VoIP telephone, or for the VoIP provider to use an
If an outbound proxy is made available, you must allow for this in the VoIP settings for your
phone.
Network
Group of devices. Devices can be connected in either wired or wireless mode.
Networks can also differ in range and structure:
– Range: Local networks (LAN) or wide-area networks (WAN)
– Structure: Infrastructure network
Network subscriber
Devices and PCs that are connected to each other in a network e.g., servers, PCs and phones.
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 SIP proxy
Outbound proxy and STUN servers should not be used simultaneously.
See also: STUN and NAT.
P
Paging (handset search)
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
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Consultation call
IP addresses
(e.g., VoIP telephones) in a
Router on the Internet.
or ad-hoc network
servers. They control data traffic through the firewall.
or during
to one or more (public) IP addresses. NAT enables
ALG
Outbound proxy.
Network via a port.
Call swapping. The waiting
LAN to be concealed
in the router, STUN in the