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MGCP fallback mechanism enhancement

  • US 7,907,514 B2
  • Filed: 09/29/2005
  • Issued: 03/15/2011
  • Est. Priority Date: 09/29/2005
  • Status: Active Grant
First Claim
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1. A method of communication by a client over a network having plural servers, one of the servers assigned to the client, the method comprising:

  • registering a virtual endpoint with the assigned server;

    upon inactivity with the assigned server, sending a keep-alive message to the server, the keep-alive message including an endpoint identifier that identifies the registered virtual endpoint;

    upon failure to receive a response to the keep-alive message from the assigned server, initiating a fallback mechanism from a first call control protocol to a second call control protocol; and

    sending keep-alive messages to other servers among the plural servers that are configured to operate with the client before determining whether to initiate the fallback mechanism.

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