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IPBX control interface for distributed networks

  • US 10,104,236 B1
  • Filed: 09/12/2017
  • Issued: 10/16/2018
  • Est. Priority Date: 03/17/2015
  • Status: Active Grant
First Claim
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1. A communication system, including:

  • a call routing circuit configured and arranged to route calls for a plurality of switchboard interfaces, each switchboard interface corresponding to a Voice over Internet Protocol (VoIP)-enabled device of a respective receptionist; and

    a call control circuit coupled to the call routing circuit and configured and arranged to provide a call-control subscription between an internet-protocol private branch exchange (IPBX) server and the plurality of switchboard interfaces by;

    initiating a subscription for the switchboard interface in response to a subscription request from one of the switchboard interfaces, the subscription request implemented using a protocol that requests current state and state updates of a pending call of the corresponding switchboard interface from the IPBX server;

    providing an event message indicating a status of a pending call of one of the plurality of the switchboard interfaces having an active subscription, in response to a change in a status of the pending call; and

    in further response to the subscription request from one of the switchboard interfaces, communicating a pseudo-event message indicating a status of pending calls to the switchboard interface including historical data of the pending call for each of the pending calls.

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