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Glossary
S
S0 Bus
Four-wire ISDN connection wiring. It provides two B-channels and one D-channel.
Up to twelve ISDN outlets can be connected to it, on which up to eight terminals can
be operated at the same time.
Standard connection
ISDN connection with a series of services such as call waiting, three-party
conference, or callback on busy. See also "Comfort connection".
T
Three-party conference
3PTY, three-party. Interconnection with two external users (ISDN or analogue
network customers).
Toggling
Toggling allows you to switch between two external callers without allowing the
waiting caller to listen in.
TP
Terminal Portability, see "Unplugging on the bus".
Two-way recording of phone calls
Answering machine feature which allows you to record a conversation during a
phone call.
W
Waiting melody
Music on hold. During an enquiry call or when a call is being transferred, a melody
is played which the waiting person can hear.
Withhold own number (CLIR)
Stops your personal phone number being transferred.
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