Gigaset A580 IP User Manual page 188

U
UDP
User Datagram Protocol
Transport
does not establish a fixed connection. The data packets ("datagrams") are sent
as a broadcast. The recipient is solely responsible for making sure the data is
received. The sender is not notified about whether it is received or not.
URI
Uniform Resource Identifier
Character sequence for identifying resources (e.g. e-mail recipient, http://
gigaset.com, files).
On the Internet, URIs are used as a uniform identification for resources. URIs
are also described as SIP addresses.
URIs can be entered in the phone as a number. By dialling a URI you can call an
Internet subscriber with VoIP equipment.
URL
Universal Resource Locator
Globally unique address of a domain on the Internet.
A URL is a subtype of URI. URLs identify a resource by its location on the
net. For historical reasons the term is often used as a synonym for URI.
£
User
User ID
User identification
Name/number combination for access, e.g. to your VoIP account.
V
£
Voice codec Codec.
VoIP
Voice over Internet Protocol
Telephone calls are no longer placed and transmitted over the telephone net-
work but over the
VoIP provider
A VoIP, SIP or
Gateway
your provider must support the SIP standard.
The provider routes calls from VoIP to the telephone network (analogue, ISDN
and mobile) and vice versa.
W
WAN
Wide Area Network
Wide-area network that is unrestricted in terms of area (e.g. Internet).
protocol. Unlike TCP,
identification.
Internet (or other IP networks).
Gateway provider
for Internet telephony. As the phone works with the SIP standard,
UDP is a non session-based protocol. UDP
is an Internet service provider that provides a
Glossary
Inter-
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