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Communication system

  • US 20050260976A1
  • Filed: 09/09/2004
  • Published: 11/24/2005
  • Est. Priority Date: 05/20/2004
  • Status: Active Grant
First Claim
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1. A method of establishing a conference call in a communication network between a plurality of user terminals each having an identifier, the method comprising:

  • receiving a first list of identifiers corresponding to a plurality of user terminals with which a conference call is to be established;

    determining that at least one identifier represents a second list comprising a plurality of other user terminals each having their own other identifiers;

    retrieving the other identifiers from the second list; and

    establishing the conference call with the plurality of user terminals in the first list and the plurality of other user terminals represented by the at least one identifier in the first list.

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