Siemens Gigaset A580 IP User Manual page 195

Glossary
T
TCP
Transmission Control Protocol
Transport
and terminates a connection between sender and recipient for transporting
data.
TLS
Transport Layer Security
Protocol for encrypting data transmissions on the Internet. TLS is a superordi-
nated Transport
Toggling allows you to switch between two callers or between a conference call
Toggling
and an individual caller without allowing the waiting caller to listen to the call.
Transmission rate
Speed at which data is transmitted in the
is measured in data units per unit of time (Mbit/s).
Transport protocol
Controls data transport between two communication partners (applications).
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UDP, TCP, TLS.
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.
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User ID User
User identification
Name/number combination for access, e.g. to your VoIP account.
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protocol. Session-based transmission protocol: it sets up, monitors
protocol.
protocol. Unlike TCP,
identification.
WAN or LAN. The transmission rate
UDP is a non session-based protocol. UDP
Inter-