P p Packet Aggregation Packet Loss Packetization Pairing PAP Pause Frames PBX PCR Peak Load §... ... PEM Periodic Inform Ping PKCS PLC PoP Port Port Forwarding Port Speed PPPoE Prefix delegation §... ... Preserve Value Private Key Protocol Proxy PSDN PTM - Pulse-Time Modulation PTM Priority Point-to-Point Tunneling Protocol Public Key Top ↑