Siemens 4075 Operating Instructions Manual page 87

S
S bus
0
Four-wire cabling for the ISDN line. It provides two B-channels and one D-
channel. Up to twelve ISDN sockets can be connected to it, on which a
maximum of eight terminals can be operated simultaneously.
Standard line
ISDN line with a series of features such as call waiting, three-party
conference and callback on busy. See also Enhanced line
T
Three-party conference
3PTY, Three-Party. A connection to external subscribers (ISDN or analogue
network customers).
Terminal Portability
TP . Also called parking. An incoming call can be placed on hold in the local
exchange for up to three minutes so that it can be taken, for example, on a
different telephone, a fax machine or a PC. The caller will hear an appropriate
announcement in the meantime.
Toggling
Toggling allows you to switch back and forth between two external parties
without the other party listening in.
TP
Terminal Portability.
Trace
Identify/ trace feature. MCID stands for "Malicious Call Identification" . If you
receive nuisance calls you can have the call number stored at the exchange.
You must apply to your provider for this feature.
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