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Method and apparatus for call delivery

  • US 7,720,474 B2
  • Filed: 04/18/2006
  • Issued: 05/18/2010
  • Est. Priority Date: 04/18/2006
  • Status: Expired due to Fees
First Claim
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1. A method of routing calls in a communication network, the method comprising:

  • receiving a call from a calling party directed to a roaming subscriber at a first network entity in the subscriber'"'"'s home network;

    obtaining call routing information for the subscriber from a database in the subscriber'"'"'s home network and starting an answer timer;

    determining the current location of the subscriber;

    connecting the call to a second network entity servicing the subscriber in a visited network;

    upon receiving an indication that the subscriber has not answered the call, releasing the connection to the second network entity;

    obtaining late call forwarding information for the subscriber from the database; and

    completing the call to a late call forwarding destination in the home network based on the late call forwarding information.

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