AASTRA 4425 IP Vision for BusinessPhone User Guide - Manual (Page 146)

Glossary
BusinessPhone – Dialog 4425 IP Vision 146
Glossary
Abbreviated Number Dialling
Initiating a call to a pre-programmed number
by dialling a code or pressing a key. There are
common short-numbers, which means that all
extensions can use them. See section
“ Abbreviated Numbers ” on page 34.
Account Number
To place call costs on an Account Number.
See section “ Other Useful Features ” on
page 83.
Automated Attendant
A facility which sends voice instructions to
internal and external callers, providing all
options which can be chosen. Voice
instructions lead the caller to the desired
destination. See section “ Other Useful
Features ” on page 83.
Callback
An indication to a busy extension, to inform the
person that you want to speak to him/her.
See sections “ Mailbox System ” on page 59
and “ Outgoing Calls ” on page 30.
Camp-on
To place (queue) a call to a busy extension. See
section “ Outgoing Calls ” on page 30.
Dial-by-Name
Initiation of a call by operating a single key.
Internal numbers (or Common Abbreviated
Numbers) can be stored on each extension.
See section “ Abbreviated Numbers ” on
page 34.
Direct Inward System Access (DISA)
If you are working externally, the DISA function
enables you to make external calls (long
distance) via the company PBX. You only pay
for the call to your company. See section
“ Other Useful Features ” on page 83.
Directory number
Numbers with 1 – 8 digits which are assigned
to extensions or external lines or as Common
Abbreviated Numbers.
Diversion
Incoming calls to an extension are diverted to
another directory number (extension, common
abbreviated number or the operator). There are
three possibilities:
1. Direct, which means that all calls to an
extension are forwarded directly.
2. On no reply, which means that a call is
forwarded if it is not answered within a certain
time.
3. On busy, which means that a call is
forwarded if the extension is busy.
See section “
Call Forwarding ” on page 48.
Diversion Bypass
This is useful for letting urgent calls through to
an extension where diversion is active.
See section “ Call Forwarding ” on page 48.
Extension
All telephones connected to the PBX have a
unique internal number (up to 3 digits).