User`s guide

GLOSSARY
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BusinessPhone 250 / BusinessPhone 50
Portable DT310 / DT360 / DT368
GLOSSARY
(continued)
ISDN Integrated Services Digital Network. Provides your system with supplementary services
from the public net.
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”.
MAILBOX The mailbox system controls the messages that are left for or sent by you when you are
absent. See section ”Mailbox system”.
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 ”Internal messages”.
MUTE MICROPHONE To switch the microphone temporarily off. See section ”During calls”.
PBX Public Branch Exchange. Your telephone switching system (e.g. BusinessPhone 250).
PERSONAL CODE 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-DEFINED TEXT Pre-programmed absent information. See section ”Information”.
THIRD PARTY 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”.
TIE LINE An external line from the private network.
TRANSFER 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”.
TRUNK LINE A trunk line is the same as an external line. Can be either digital or analogue.