Voice over IP/Reference

Appendices Appendix A: Glossary of Terms ATAAnalog Telephone AdaptorBroadbandUsing multiple transmissions simultaneously over a single medium.BasebandUsing a single transmission over a single medium.CASChannel Associated SignalingCCSCommon Channel Signaling DTMFDual-Tone Multi-FrequencyDS064K ChannelDSLDigital Subscriber LineE132 DS0 ChannelsFXOForeign eXchange OfficeFXSForeign eXchange SubscriberIPInternet Protocol - IP is the common protocol, or language, used by all devices on the Internet to communicate regardless of vendor.MGCPMedia Gateway Control ProtocolNATNetwork Address Translation - The translation of a Network (IP) Address to another address by a gateway or router devicePATPort Address Translation - The translation of multiple inside IP addresses to a single IP address on the outside, used in typical home applications.PBXPrivate Branch ExchangePoEPower over EthernetPOTSPlain Old Telephone System. See PSTN below.PSTNPublic Switched Telephone NetworkQ.931Layer 3 ISDN SignalingQ.921Layer 2 ISDN SignalingRFCRequest For CommentsRTCPReal-Time Control ProtocolRTPReal-Time Transport ProtocolSIPSession Initiation ProtocolT124 DS0 Channels