Multiple subscriber videoconferencing system

  • US 8,665,759 B2
  • Filed: 09/26/2005
  • Issued: 03/04/2014
  • Est. Priority Date: 03/24/2000
  • Status: Active Grant
First Claim
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1. A videoconferencing services device, comprising:

  • a call control module configured to provide control of videoconferencing calls in a service provider Internet Protocol (IP) network, the call control module comprising;

    an H.323 gatekeeper module configured to control calls placed with the H.323 protocol; and

    a Session Initiation Protocol (SIP) proxy module configured to control calls placed with the SIP protocol; and

    a videoconferencing security module coupled to the call control module, the videoconferencing security entity comprising;

    a firewall module configured to support both the H.323 and SIP protocols as needed on a per-call basis; and

    a network address translation module configured to provide network address translation services for a videoconferencing data stream, the network address translation module configured to support both the H.323 and SIP protocols as needed on a per-call basis,wherein the call control module and the videoconferencing security module are adapted for deployment at an access point of a service provider IP network.

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