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    • 1. 发明申请
    • Communication Node, System, And Method For Optimized Dynamic Codec Selection
    • US20190044981A1
    • 2019-02-07
    • US15667289
    • 2017-08-02
    • Star2Star Communications, LLC
    • Kristian KielhofnerNorman A. Worthington, III
    • H04L29/06H04L29/08
    • The present invention is directed towards a communication node, a system, and a method for dynamically switching a first codec to a second codec for a communication session. The communication node, to implement the method, can be operably connected to communication endpoints, a codec database, at least one second communication node, and a destination node. The communication node monitors the network within which the communication session originates to detect if a network event has occurred, and if detected, obtain the catalog of available and supported codecs. The communication node then selects a second codec from the catalog of available and supported codecs to replace the first codec, based at least in part on a prioritization of the catalog of available and supported codecs, the network event, a session type, a session criteria, and predetermined routing information for the communication session. Thereafter, the first communication node generates a network message, which directs at least one second communication node to switch from the first codec to the second codec, and transmits the communication session with the network message thereto. The at least one second communication node, upon receiving, replaces the first codec with the second codec by a modification of at least one signaling protocol. If the destination node is unable to accept the communication session using the second codec, the at least one second communication node can generate a network message to direct an at least one third communication node to replace the second codec with the first codec before delivery.