Siemens 4110 Internal calls, Internal ringer, Isdn abbreviations, Keypad, Lock function/PIN, Mute

ISDN Glossary

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Internal calls

These are connections free of charge between the base station telephone and handsets.

Internal ringer

Special signal tone on telephone systems to discriminate between internal and external calls.

ISDN

Abbreviation for Integrated Services Digital Network. Integration can cover telephone, fax and data transfer for example.

ISDN abbreviations

CW	Call waiting
CF	Call forwarding
3PTY	Three-party conference
CCBS	Callback on busy
CD	Call deflection

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*).

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.

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).

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