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Federated VoIP : ウィキペディア英語版 | Federated VoIP
Federated VoIP is a form of packetized voice telephony that uses voice over IP between autonomous domains in the public Internet without the deployment of central virtual exchange points or switching centers for traffic routing. Federated VoIP uses decentralized addressing systems, such as ENUM, for location and identity information of participants and implements secure, trusted communications (TLS) for identify verification. ==Background== The traditional telephone networks are based on the principal of point-to-point communications, for example, an office building sends and receives phone calls over an ISDN line to the telephone exchange. Early Voice over IP deployments have copied this model, sending phone calls over SIP Trunking (a virtual equivalent of ISDN) to an Internet telephony service provider (ITSP) (a virtual telephone exchange). Such paradigms have striven to emulate many of the aspects of traditional telephony, such as the telephone number.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Federated VoIP」の詳細全文を読む
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