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Speakerphone and conference bridge which request and perform polling operations

  • US 8,976,712 B2
  • Filed: 03/15/2005
  • Issued: 03/10/2015
  • Est. Priority Date: 05/10/2001
  • Status: Active Grant
First Claim
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1. A speakerphone for communicating with one or more endpoints via a conference bridge, the speakerphone comprising:

  • an audio processing unit;

    a control module communicably coupled to the audio processing unit; and

    a network interface communicably coupled to the control module;

    wherein the control module is operable to send control data in combination with audio data to the conference bridge;

    wherein the control data comprises an instruction from the speakerphone that the conference bridge collect responses to a poll of the persons participating in the conference call;

    wherein the network interface sends and receives data according to a protocol selected from the group consisting of IP, modem data, ISDN, and analog; and

    wherein the control data is combined in-band with the audio data and wherein the control data is substantially humanly inaudible.

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