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Method for calling video communication service by video communication terminal and associated message data form

  • US 20030147357A1
  • Filed: 02/26/2003
  • Published: 08/07/2003
  • Est. Priority Date: 02/06/2001
  • Status: Active Grant
First Claim
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1. A method for calling video communication service by video communication terminal, wherein at least one multipoint control unit (MCU) connects with video communication terminals through a communication network, is characterized that comprising the steps of:

  • (a) calling a MCU by a first video communication terminal, and sending a conference information needed for convening a conference to the MCU through an In-Band channel established between the first video communication terminal and the MCU;

    (b) convening the conference by the MCU according to the conference information received;

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