Glossary Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business. Show only animated 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z P-CSCF P2MP P2P PABX Packet Packet Internet or Inter-Network Groper (PING) Packet Jitter Packet-Switched Network PAPR Parallel Detection PARAM Passive intermodulation (PIM) Passive Optical Local Area Network (PO-LAN or POL) Passive Optical Network (PON) PAT Pause Frames PBB-TE PBCH PBT PBX PC PCC PCFICH PCI PCR PCS PDCCH PDH PDL PDN-GW PDSCH PDU Per-Hop Behavior (PHB) Perceptual Evaluation of Speech Quality (PESQ) Performance Monitoring Peripheral Component Interconnect (PCI) PESQ pFCS PFI Phase PHB PHY Physical Address Physical Layer Physical Medium Dependent (PMD) PIN PING PJE Plain Old Telephone Service (POTS) Plain Old Telephone Service Splitter PLC Plesiochronous Digital Hierarchy (PDH) PLI PM PMA PMD PMF POH POI Point of Presence (PoP) Point-to-Multipoint Communication (P2MP) Point-to-Point Protocol (PPP) Point-to-Point Protocol over Ethernet (PPPoE) Point-to-Point Tunneling Protocol (PPTP) POL Pol-Mux POLAN Polarization Polarization Mode Dispersion (PMD) Polarization Multiplexing (Pol-Mux) Polarization-Maintaining Fiber (PMF) POLQA PON PoP Port PoS Postal, Telegraph and Telephone (PTT) POTS Power Meter PPI PPP PPPoE PPTP PRACH PRB PRBS PRBS31 Preamble Precision Time Protocol (PTP) PRI-IDSN Primary-Rate Integrated-Services Digital Network (PRI-IDSN) Private Branch Exchange (PBX) Propagation Delay Protocol Provider Backbone Bridge Traffic Engineering (PBB-TE) PSB PSD PSE PSI PSK PSP PSS PSTN PT PTE PTI PTN PTP PTT Public Switched Telephone Network (PSTN) Pulse Width PUSCH PVC
