AASTRA DT292 for BusinessPhone User Guide EN - Manual (Page 105)

105 DT292
Reference
Reference
This section describes the terminology used on the display, the
phone communication signals, guidelines, technical specifications,
spare parts and accessories.
Terminology
The list below explains the terms which may appear on the display.
Terminology used on display
Term Meaning
AC Authentication code (=BasePIN)
BasePIN = authentication code
DTMF
Dual Tone Multi Frequency or touch tone, for dialling
IPEI International Portable part Equipment Identity, unique
identity assigned to your Cordless phone by the
manufacturer
PARK Portable Access Rights Key, unique identity assigned to
your network
PIN Personal Identification Number for security