The connection that VoIP hardware or software maintains to a VoIP proxy for the purpose of sending and receiving calls. Your VOIPo device will maintain a registration to a VOIPo server.
The type of connector used on the end of a phone cord.
The type of connector used on the end of an ethernet cable.
A device used to intelligently send traffic to devices or computers on a network. Most consumer routers do this with NAT.
Real-time Transport Protocol. An internet protocol for sending audio and video over an internet connection. VoIP uses RTP to handle incoming and outgoing audio.