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Voice traffic bandwidth guarantee system, voice traffic bandwidth guarantee method, call control devices and traffic management apparatus, and program
Voice traffic bandwidth guarantee system, voice traffic bandwidth guarantee method, call control devices and traffic management apparatus, and program
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机译:语音话务带宽保证系统,语音话务带宽保证方法,呼叫控制装置和话务管理装置及程序
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摘要
PROBLEM TO BE SOLVED: To provide a voice traffic band warrant system and method for warranting a transmission band of voice traffic on a connectionless network. ;SOLUTION: Upon the receipt of a call request from a VoIP terminal 1-1, a VoIP call control unit 4 informs a CAC (Call Admission Control) server 5 about transmitted/received IP addresses and inquires of the server 5 about a transmission band of voice traffic. The CAC server 5 discriminates the propriety of assignment of the transmission band usable for the voice traffic of the call on the basis of the transmitted/received IP addresses, a transmission path of an IP network stored in itself, the transmission band available for the voice traffic in the transmission path, and the transmission band during use. When the server 5 approves the assignment, the server 5 updates the transmission band in use and informs the VoIP call control unit 4 about availability of assignment. The VoIP call control unit 4 delivers the call to called VoIP terminals 1 to n.;COPYRIGHT: (C)2004,JPO
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