T
TCPTransmission Control Protocol
Transport protocol.
Transport Layer Security
Protocol for encrypting data transmissions on the Internet. TLS is a superordinated Transport protocol.
TogglingToggling allows you to switch between two callers or between a conference call and an individual caller without allowing the waiting caller to listen in.
Transmission rateSpeed at which data is transmitted in the WAN or LAN. The transmission rate is measured in data units per unit of time (Mbit/s).
Transport protocolControls data transport between communication partners (applications).
U
UDPUser Datagram Protocol
Transport protocol. Unlike TCP, UDP is a non
Uniform Resource Identifier
Character string used to identify resources (e.g.
On the Internet URIs are used as a uniform identification for resources. URIs are also described as an SIP address.
Glossary
URIs can be entered in the phone as a number. By dialling a URI you can call an Internet subscriber with VoIP equip- ment.
URLUniversal 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 in the Inter- net. For historical reasons the term is often used as a synonym for URI.
User IDSee User identification.User identificationName/number combination for access e.g. to your VoIP account.
V
Voice codecSee Codec.
VoIP
Voice over Internet Protocol
Telephone calls are no longer placed and transmitted over the telephone network but over the Internet (or other IP networks).
VoIP providerA VoIP, SIP or Gateway Provider is an Internet service provider that provides a Gateway for Internet telephony. As the phone works with the SIP standard, your provider must support the SIP standard.
The provider routes calls from VoIP to the telephone network (analogue, ISDN and mobile radio) and vice versa.
W
WANWide Area Network
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