Siemens 4075 Operating Instructions Manual page 85

K
Keypad
The keypad supports special function keys such as the star key (*) and the
hash key (#). These can be used with the appropriate codes to access
various functions offered by your provider (such as #4711*).
L
Lock function/PIN
A code protects your telephone against unauthorised use. By entering
single-digit or multi-digit lock numbers you can prevent certain numbers or
groups of numbers from being dialled.
M
MCID (Malicious call identification)
See Trace.
MSN
Multiple Subscriber Number. The call numbers of an ISDN multiple device
connection. They are used to address specific terminals; the fax machine,
for example, may have a separate number. Three MSNs are included in the
basic price of the standard line and the enhanced line. Up to ten MSNs can
be assigned to an ISDN line.
Multiple subscriber number
See MSN.
Multiple device connection
ISDN line which, in contrast to a system connection, provides up to ten
MSNs instead of one extension number block. This is the most usual type
of ISDN line for private customers.
Music on Hold
Music on hold. Music is played to the waiting caller during a consultation call
or call transfer.
Mute
Enhanced feature on telephones; deactivates the built-in microphone (in the
handset or hands-free system).
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
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