发明名称 PROVIDING VOICE OVER INTERNET PROTOCOL NETWORKS
摘要 <p>Providing Voice Over Internet Protocol networks includes attempting to authorize a call from a user made to a number, routing the call, after the call is authorized, to a remote location (108), and setting up call signaling at the remote location between the user (114) and a destination of the call (112) so that media content of the call flows between the user and the destination but not through the remote location (134).</p>
申请公布号 WO2003014874(A2) 申请公布日期 2003.02.20
申请号 US2002024743 申请日期 2002.08.05
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