Glossary
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.
2.Voice information.
Intercom
A
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
PBX
Private Branch Exchange. Your telephone switching system (e.g. BusinessPhone 250).
116 | BusinessPhone – Dialog 4222 Office / Dialog 3211 & 3212 |