AASTRA DT4x2 for MX-ONE User Guide EN - Manual (Page 123)

123 DT412/DT422/DT432
Reference
Reference
This section describes the terminology used on the display, the
phone communication signals, technical specifications, spare parts
and accessories.
Terminology
The list below explains the terms which may appear on the display.
Terminology used in display
Term Meaning
IPDI International Portable part Equipment Identity, unique
identity assigned to your SIM card.
IPEI International Portable part Equipment Identity, unique
identity assigned to your phone by the manufacturer.
Park Portable Access Rights Key, unique identity assigned to
your network.
SW Here you can see which version of the phone software
you have.
AP SW Here you can see which version of the Alarm software
you have.