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Method and apparatus for cost optimization of cellular networks indication

  • US 7,697,924 B2
  • Filed: 04/21/2006
  • Issued: 04/13/2010
  • Est. Priority Date: 04/21/2006
  • Status: Expired due to Fees
First Claim
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1. A telecommunication method comprising:

  • identifying cellular networks with an instant messaging service for each of a plurality of users;

    identifying called and calling parties'"'"' cellular telephone networks, at least one of said called and calling party being one of said plurality of users;

    creating a first call leg to a called party cellular telephone via a first gateway associated with the identified first cellular network; and

    creating a second call leg to a calling party cellular telephone via a second gateway associated with the identified second cellular network, wherein said cellular networks are identified in one or more buddy lists, and a server creates said first call leg and said second call leg.

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