POE
Issue 1.0 May 2003
421
PCM
See
pulse-code modulation (PCM)
on page 423.
PCOL
Personal central-office line
PCOLG
Personal central-office line group
PCS
Permanent switched calls
PDM
See
processor data module (PDM)
on page 423.
PDS
Premises Distribution System
PE
Processing element
PEC
Price element code
PEI
Processor element interchange
personal computer (PC)
A personally controllable microcomputer.
PGATE
Packet gateway
PGN
Partitioned group number
PI
Processor interface
PIB
Processor interface board
pickup group
A group of individuals authorized to answer any call directed to an extension within
the group.
PIDB
Product image database
PKTINT
Packet interface
PL
Private line
PLS
Premises Lightwave System
PMS
Property Management System
PN
Port network
PNA
Private network access
POE
Processor occupancy evaluation