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Fast network SIP/SDP procedures for conference operations upon request from end user with optimization of network resources

  • US 20040196867A1
  • Filed: 04/01/2003
  • Published: 10/07/2004
  • Est. Priority Date: 04/01/2003
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • an SIP/SDP (Session Initiation Protocol/Session Description Protocol) based network controller that, upon a received request, joins first and second calls into a conference call with at least a third call; and

    the SIP/SDP based network controller structured to negotiate, allocate, and re-configure network resources.

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