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    • 5. 发明授权
    • Method and system for routing calls over a packet switched computer network
    • 通过分组交换计算机网络路由呼叫的方法和系统
    • US09094418B2
    • 2015-07-28
    • US13763660
    • 2013-02-09
    • TransNexus Inc.
    • James P. G. Dalton, Jr.Dmitry IsakbayevVikrant Mathur
    • H04L12/66H04L29/06H04L12/701H04L12/801H04L12/853
    • H04L65/1046H04L45/00H04L47/10H04L47/2416
    • The present invention describes how a trusted network routing authority, such as a VoIP inter-exchange carrier or clearinghouse can provide routing and secure access control across multiple network domains with a single routing and admission request. This technology can improve network efficiency and quality of service when an Internet Protocol (IP) communication transaction, such as a Voice over IP (VoIP), must be routed across multiple devices or administrative domains. This technology defines the technique of performing multiple route look-ups at the source of the call path to determine all possible routes across intermediate domains to the final destination. The VoIP inter-exchange carrier or clearinghouse then provides routing and access permission tokens for the entire call path to the call source.
    • 本发明描述了诸如VoIP交换运营商或结算所之类的信任网络路由机构如何通过单个路由和接纳请求来提供跨多个网络域的路由和安全访问控制。 当诸如IP语音(VoIP)的因特网协议(IP)通信事务必须跨多个设备或管理域路由时,该技术可以提高网络效率和服务质量。 该技术定义了在呼叫路径的源处执行多个路由查找以确定跨越中间域到最终目的地的所有可能路由的技术。 然后,VoIP交换运营商或交换中心为呼叫源的整个呼叫路径提供路由和访问权限令牌。