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Method, entity, and system for implementing trunk service

  • US 9,392,583 B2
  • Filed: 06/27/2014
  • Issued: 07/12/2016
  • Est. Priority Date: 12/27/2011
  • Status: Active Grant
First Claim
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1. A method for implementing a trunk service, wherein the method comprises:

  • receiving, by an interworking function (IWF) entity, uplink signaling comprising at least uplink control plane signaling and uplink user plane media data sent by a trunk user equipment (UE);

    performing, by the IWF entity, encapsulation and conversion on the uplink signaling by encapsulating and converting the uplink control plane signaling using a first transmission protocol and further by encapsulating and converting the uplink user plane media data using a second transmission protocol different from the first transmission protocol, the performing encapsulation and conversion on the uplink signaling generating encapsulated and converted uplink signaling comprising encapsulated and converted uplink control plane signaling and further comprising encapsulated and converted uplink user plane media data;

    sending the encapsulated and converted uplink signaling to a trunk control function (TCF) entity;

    receiving, by the IWF entity, downlink signaling comprising at least downlink control plane signaling sent by the TCF entity;

    performing, by the IWF entity, encapsulation and conversion on the downlink signaling to obtain encapsulated and converted downlink signaling; and

    sending the encapsulated and converted downlink signaling to the UE.

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