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Glossary
CX 253i / SWZ PTT en / A31008-X353-P100-1-19 / glossary.fm / 03.12.2007
ISDN
Abbreviation for Integrated Services Digital Network, i.e., a digital network for
integrating services. This includes the integration of telephone, fax or data
transmission.
ISDN abbreviations
K
Keypad
The keypad supports special function keys such as the star (*) and hash (#) keys. In
this way, special functions offered by your network provider can be initiated using a
code, such as "#4711*".
M
MSN
Multiple Subscriber Number. The phone numbers belonging to a multiple ISDN
connection. Each terminal is addressed separately, e.g., a separate number for a fax
machine. Up to ten MSN's can be assigned to one ISDN connection.
Multiline
The ISDN multiple connection from Swisscom.
There are 3 MSN in the basic price. Additional numbers (max 7) must be ordered and
incur a charge.
Multiple connection
ISDN connection which, unlike PABX connection, provides up to ten MSN's instead
of having a direct dialling number block. This is the preferred type of ISDN
connection for private customers.
Multiple subscriber number
See "MSN".
Music on hold
See "Waiting melody".
Mute
Convenience feature for telephones, which deactivates the built-in microphone (in
handset or handsfree unit).
CW
Call waiting
CF
Call forwarding
3PTY
Three-party conference
CCBS
Callback on busy
CD
Call forwarding during the call phase
