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Providing reliable session initiation protocol (SIP) signaling for web real-time communications (WEBRTC) interactive flows, and related methods, systems, and computer-readable media

  • US 9,769,214 B2
  • Filed: 11/05/2013
  • Issued: 09/19/2017
  • Est. Priority Date: 11/05/2013
  • Status: Active Grant
First Claim
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1. A method for providing reliable Session Initiation Protocol (SIP) signaling for Web Real-Time Communications (WebRTC) interactive flows, comprising:

  • establishing, via a stateless SIP user agent executing on a first web server, a WebRTC interactive flow between a remote endpoint and a WebRTC client executing on a computing device separate from the first server and the remote endpoint;

    receiving, by a call state management agent of the WebRTC client, a call state from the stateless SIP user agent, the call state indicating a current state of the WebRTC interactive flow;

    storing, by the call state management agent of the WebRTC client, the call state; and

    responsive to a termination of the WebRTC interactive flow, restoring, by the stateless SIP user agent, the WebRTC interactive flow between the WebRTC client and remote endpoint using the stored call state from the call state management agent of the WebRTC client.

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