Telefax
See Fax.
Telnet
Telecommunication Network (Telnet) is a network protocol. It en-
ables communication with another, remote device in the network, e.
g. PCs, routers, etc.
Terminal adapter
A terminal adapter (TA) can be used to connect terminals to an in-
terface on which they cannot be operated directly, e. g. analogue
terminals to an ISDN connection.
TFTP
The Trivial File Transfer Protocol (TFTP) regulates the transmission
of files. Compared with FTP, there is no option to display data, issue
permissions or authenticate users.
Three-party confer-
ence
The three-party conference is a performance feature. Three sub-
scribers can speak to one another on the phone simultaneously.
Tiger 192
Tiger 192 is a hash function that generates a 192 bit hash value
(checksum). See also Hash.
Time service
The Time protocol is used to synchronise the date and time. The
protocol uses port 37 via TCP and UDP.
Time slot
A time slot is a period of time which is permanently assigned within
a transmission frame, and is usually equivalent to one transmission
channel.
TLS
See SSL.
Tone dialling
See Multifrequency code dialling method.
TOS
Type of Service (TOS) is a field in the header of IP data packets. It
specifies the priority of the data packet. See also QoS.
Traceroute
Traceroute is used to determine which routers will be used to route
data packets to the queried destination host.
Trigger
This refers to a trigger impulse.
Triple DES
See DES.
Trunk
A trunk consists of bundled connections or transmission channels.
See also Bundle.
TTL
The Time to live (TTL) is the configured period of validity of a data
packet. With the Internet Protocol (IP), TTL specifies how many
hops a data packet may pass. The maximum value is 255 hops. The
bintec elmeg GmbH
Glossary
elmeg hybird 120 / hybird 130
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