Ericsson BUSINESSPHONE 250 Manual page 56

GLOSSARY
GLOSSARY
(continued)
ISDN
LEAST COST ROUTING
LOUDSPEAKER PAGING
MAILBOX
MESSAGE
MUTE
NIGHT SWITCHING
PBX
PERSONAL CODE
PRE-DEFINED TEXT
THIRD PARTY
TIE LINE
TRANSFER
TRUNK LINE
Integrated Services Digital Network. Provides your system with supplementary services
from the public net.
A function that automatically selects the cheapest way to connect your external call
(not necessarily the shortest distance). See section "Least cost routing".
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 facilities".
The mailbox system controls the messages that are left for or sent by you when you are
absent. See section "Mailbox system".
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 "Internal messages".
To switch the microphone temporarily off. See section "During calls".
Used for directing all incoming calls to one extension (answering position), for example
when the office is closed. See section "Other useful facilities".
Public Branch Exchange. Your telephone switching system (e.g. BusinessPhone 250).
A four-digit code needed to e.g. block your extension and retrieve messages from the
mailbox system. You can set your own personal code. See section "Security".
Pre-programmed absent information. See section "Information".
A third connection (person), which can be included in an ongoing two person
conversation. The connection can be internal or external. See section "During calls".
An external line from the private network.
During an internal or external ongoing call you can make an inquiry and then
transfer the call to another party (internal or external).
See section "During calls" and "Useful hints".
A trunk line is the same as an external line. Can be either digital or analogue.
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BusinessPhone 250 - Basic Telephone
BusinessPhone 50 - Basic Telephone