Siemens Gigaset 4110 Comfort Operating Instructions Manual page 111

ISDN Glossary
N
Notebook function
During a call you can enter a call number in the telephone's memory so you
can dial it later.
NT/NTBA
NT = Network Terminator, NTBA = Network Terminator Basic Access. The
public T-ISDN ends at the NT. The NT provides the link to the existing
telephone socket. Only the NT can and should be connected to the
telephone socket. Analogue terminals must not be connected to the
telephone socket. ISDN terminals and other ISDN sockets are connected to
the NT.
O
On-hook dialling
Enhanced telephone function: The handset is not lifted until the called party
answers.
Open listening
At the push of a button everyone in the room can listen to the telephone call
via the built-in loudspeaker. See also Hands-free talking
Outgoing MSN freely selectable
This is a feature which enables you to determine which MSN is to be used
for the subsequent call. This is important not only for call number display on
the called party's phone but also for calculating call charges. Call costs,
which can be coded by MSN free of charge on the provider's bill, are
assigned to the MSN that was used to make the appropriate call.
P
Parking calls
You park a call when you unplug the telephone during a call or replace the
handset so you can pick up the call on another handset connected to the
same line. The call remains connected during this time.
Phonebook
Enhanced feature of a telephone; stores the names and call numbers of
other subscribers. The numbers can be quickly found and dialled.
PIN
Abbreviation for Personal Identification Number. This is used to protect
against unauthorised use, examples include the system-PIN, answering
machine PIN and handset PIN.
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