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System for providing a service, such as a communication service

  • US 9,900,373 B2
  • Filed: 03/23/2010
  • Issued: 02/20/2018
  • Est. Priority Date: 03/23/2009
  • Status: Active Grant
First Claim
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1. A terminal device of a communication network, the terminal device comprising:

  • a client mode connection layer;

    a server mode application layer;

    means for initiating and establishing a persistent connection, said means for initiating and establishing a persistent connection sending from the client mode connection layer of the terminal device a connection establishment request to a server mode connection layer of a service provider device through at least said communication network, using an identity of the service provider device known to the terminal device prior to establishment of the persistent connection, the terminal device being separated from said service provider by a gateway device operable to perform network address translation (NAT) wherein the terminal device initiates and establishes the persistent connection before being triggered to send information to the service provider device and wherein the client mode connection layer of the terminal device persists the persistent connection by periodically sending keep alive messages to the service provider device so that the persistent connection is available for the service provider device to send service requests to the server mode application layer, andapplication server means of the server mode application layer of the terminal device for receiving through the gateway a service request from a client mode application layer of said service provider device on said persistent connection established through the client mode connection layer of the terminal device, said service provider device operating as a client to the application server means.

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