AASTRA DT4x2 for MX-ONE User Guide EN - Manual (Page 129)

129 DT412/DT422/DT432
Glossary
Glossary
DECT Digital Enhanced Cordless Telephony.
Exchange Switch. Your telephone switching system.
Idle mode The state your phone is in when nothing is activated; not
calling, not ringing, not diverted etc.
Least Cost Routing A function that automatically selects the cheapest way to
connect your external call (not necessarily the shortest
distance).
Speed Dialing number Abbreviated number or short number, used for making
frequently used numbers faster to dial.
Third party A third connection (person), which can be included in an
ongoing two person conversation. The connection can be
internal or external.