Ericsson DIALOG 4220 - Manual (Page 98)

Glossary
Dialog 4220 Lite/Dialog 4222 Office 98
Glossary
Additional lines One or more additional extension numbers can be assigned
to your phone, these are programmed on free function keys.
Exchange Switch. Your telephone switching system, e.g. MD110
Communication System
Idle mode The state your phone is in when nothing is activated; not
calling, not ringing, not diverted etc.
Speed Dialing number Abbreviated number or short number, used for making
frequently used numbers faster to dial.
Supervision Your extension number can be represented on a function key
on other extensions (two or more).
Traffic state The different states your phone is in; calling, ringing, diverted,
etc.
Triple Access Line A collective name for Line 1, Line 2 and Inquiry lines. Line 1
and Line 2 forms your extension number and are available
both for incoming and outgoing calls. Inquiry can only be used
for outgoing calls.