Acronym Guide - P

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P2P - Point to Point or Peer to Peer

PA - Program Audio

PA - Pooling Administrator

PBB-TE - Provider Backbone Bridging Traffic Engineering

PBX - Private Branch Exchange

PC - Point Code

PC - Price Cap

PCF - Preferred Carrier Freeze

PCI - Price Cap Index

PCL - Percent Common Line

PCM - Pulse Code Modulation

PCN - Personal Communications Network

PCS - Personal Communications Services 

PDA - Personal Digital Assistant

PDN - Public Data Network

PDU - Protocol Data Unit

PFC - Petition for Clarification

PFR - Petition for Reconsideration

PFRM - Petition for Rulemaking

PIC - Presubscribed Interexchange Carrier

PIC - Primary Interexchange Carrier

PICC - Presubscribed Interexchange Carrier Charge

PIN - Personal Identification Number

PIU - Percent Interstate Usage

PLU - Percent Local Usage

POI - Point of Interface

POLR - Provider of Last Resort

PON - Passive Optical Network

PON - Purchase Order Number

POP - Point of Presence

POT - Point of Termination

POTS - Plain Old Telephone Service

P-OTS - Packet Optical Transport Service

PPC - Primary Point Code

PPD - Pricing Policy Division of the FCC

PPDN - Public Packet Data Network

PPNA - Prior Period Net Adjustment

PPO - Payphone Operator

PPP - Point-to-Point Protocol

PPSN - Public Packet Switched Network

PRA - Paperwork Reduction Act

PRI - Primary Rate Interface

PSAP - Public Safety Answering Point

PSC - Public Service Commission

PSDS - Public Switched Digital Service

PSL - Presubscribed Line

PSN - Public Switched Network

PSP - Payphone Service Provider

PSTN - Public Switched Telephone Network

PTP - Precision Time Protocol

PUC - Public Utilities Commission

PVC - Permanent Virtual Connection

PVN - Private Virtual Network

PVR - PIC Verification Report