AASTRA 4222 Office for BusinessPhone User Guide EN - Manual (Page 116)

Glossary
BusinessPhone – Dialog 4222 Office / Dialog 3211 & 3212 116
Extension
All telephones connected to the PBX have a
unique internal number (up to 8 digits). If your
telephone is equipped with a display, you can
see your number.
Function code
A digit code that corresponds to a specific
function. See section “Settings” on page 87.
Hold
To put a call on hold. See section “ During Calls ”
on page 33.
Information
Internal callers are informed about absence
and time of return. External callers are diverted
to the operator, where the same information is
available. Information can be of two kinds:
1. Pre-programmed text information.
2. Voice information.
Intercom
A two-way direct call function between two
extensions, for instance an executive-secretary
communication.
See section “ Other Useful Features ” on
page 78.
Intrusion
To intrude on an ongoing call when a requested
extension is busy. See section “ Outgoing Calls ”
on page 22.
IP call
Internal call sent via an internal data network
(LAN or WAN).
ISDN
Integrated Services Digital Network. Provides
your system with supplementary services from
the public net. See section “ ISDN Facilities ” on
page 73.
Least Cost Routing
A function that automatically selects the
cheapest way to connect your external call (not
necessarily the shortest distance).
See section “ Least Cost Routing ” on page 86.
Loudspeaker Paging
All members of an extension group are paged,
i.e. receive a short, sharp tone on the
loudspeaker followed by a Voice message from
the sender. See section “ Group Features ” on
page 68.
Mailbox
The Mailbox system controls the messages
that are left for or sent by you when you are
absent. See section “ Mailbox System ” on
page 54.
Message
A message can be sent to any extension. This
is useful when you receive the busy tone or get
no answer. There are two kinds of message:
1. Call Me message.
2. Voice message.
See section “
Mailbox System ” on page 54.
Metering
Outgoing external calls can be metered on
individual call meters or specified Account
Numbers. See section “ Call Metering ” on
page 42.
Mute
To switch the microphone temporarily off.
See section “ During Calls ” on page 33.
Night Switching
Used for directing all incoming calls to one
extension (answering position), for example
when the office is closed. See section “ Other
Useful Features ” on page 78.
Password
A four-digit code needed to e.g. block your
extension and retrieve messages from the
Mailbox system. You can set your own
Password. See section “ Security ” on page 66.
PBX
Private Branch Exchange. Your telephone
switching system (e.g. BusinessPhone 250).