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System and method for managing VoIP session continuity information using logical scalable units

  • US 10,523,545 B2
  • Filed: 07/06/2018
  • Issued: 12/31/2019
  • Est. Priority Date: 05/29/2012
  • Status: Active Grant
First Claim
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1. A method of communicating messages in a communication system, comprising:

  • receiving a first message from a first client component, wherein the received first message was sent in response to the first client component determining that a user equipment set-up, modified, or terminated a VoIP call;

    extracting first information from the received first message, using the extracted first information to obtain a common key, and using the obtained common key to;

    identify an application component, andretrieve session continuity information from a cache memory, wherein the session continuity information includes information for maintaining session continuity for select services in the event of a failure without replicating session stores, including at least one of a session continuation (SC) parameter or a Session-Continuity Attribute-Value-Pair (AVP);

    generating a second message that includes the retrieved session continuity information and sending the second message to the identified application component;

    receiving a third message from the identified application component and forwarding the received third message to the first client component;

    receiving a fourth message that includes updated session continuity information from the identified application component, extracting second information from the received fourth message, and determining the common key based on the extracted second information;

    using the determined common key to identify the cache memory that stores the session continuity information;

    updating the information stored in the identified cache memory based on the updated session continuity information included in the received fourth message; and

    sending the received fourth message to a second client component.

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