Ericsson BusinessPhone 50 User Manual page 108

Glossary
Diversion Bypass
This is useful for letting urgent calls through to
an extension where diversion is active.
See section "Call Forwarding" on page 22.
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 "Programming" on
page 87.
Hold
To park a call. See section
page 17.
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 three kinds:
1. Pre-programmed text information.
2. Text information (only to display phones).
3. Voice information.
Intercom line
A two-way direct call function between two
extensions, for instance an executive-secretary
communication.
See section "Other Useful
page 65.
Intrusion
To intrude on an ongoing call when a requested
extension is busy. See section
on page 12.
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
page 77.
108
"During Calls" on
Facilities" on
"Outgoing Calls"
"ISDN Facilities" on
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
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
page 60.
Mailbox
The mailbox system controls the messages
that are left for or sent by you when you are
absent. See section "Mailbox
page 42.
Message
A message can be sent to any extension. This
is useful when you receive the busy tone or get
no answer. There are three kinds of message:
1. "Call me" message.
2. Text message (only to a display phone).
3. Voice message.
See section "Internal
Metering
Outgoing external calls can be metered on
individual call meters or specified account
numbers. See section
page 53.
Mute
To switch the microphone temporarily off.
See section "During Calls" on page 17.
Night switching
Used for directing all incoming calls to one
extension (answering position), for example
when the office is closed. See section
Useful Facilities" on page 65.
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 73.
BusinessPhone – Executive Telephone
Routing" on page 76.
"Group Facilities" on
System" on
Messages" on page 34.
"Call Metering" on
"Other