84
FILTER
A facility offered to a manager/secretary pair, allowing calls to the manager to be
intercepted by one or more secretaries.
H OLD
A facility which allows you to keep a caller waiting while you perform a second
operation, and then pick up the call again on the same terminal.
H UNT G
GROUP
A set of terminals which all have the same number in the phone book. A caller to this
number will get whichever of the terminals in the group is free.
INTERCOM
A service which allows you to use your phone as an intercom to receive internal calls.
The loudspeaker is switched on automatically.
INTRUSION
A facility which allows you to interrupt a call between two other people (at least one
of whom is internal).
ISDN
Integrated Services Digital Network.
LINE KKEY
A key which gives access to a telephone line.
