Patents by Inventor Ravindra K. Chillara

Ravindra K. Chillara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and system for routing telephone calls between a public switched telephone network and an internet protocol network
    Patent number: 6775269
    Abstract: A method for routing a telephone call originating at a first network that utilizes a first signaling protocol to a termination in a second network that uses a second signaling protocol includes receiving a services request associated with a calling party from the first network and translating the service request. The method also includes determining a route for processing the service request over the second network and generating signaling specifying the determined route. Determining the route for processing the request over the second network includes determining an address for the calling party and accessing a table associated with the address. The table includes a plurality of pointers to a plurality of additional tables.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: August 10, 2004
    Assignee: Telecom Technologies, Inc.
    Inventors: Casimir M. Kaczmarczyk, Sivakumar Ravikumar, George A. Cowgill, Bo Chen, Ravindra K. Chillara, Atousa Raissyan, Hilder Mock