Patents by Inventor Veli-Pekka Heinonen

Veli-Pekka Heinonen 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).

  • Call looping prevention
    Publication number: 20040028032
    Abstract: A method of transferring signalling information from an SS7 network to an IP network using SIP signalling through a Media Gateway Controller (MGC), the method comprising receiving an Initial Address Message (IAM) from the circuit switched network at the MGC, and generating a SIP set-up message at the MGC, wherein the SIP set-up message includes a loop protection field containing a hop counter or redirection counter in the IAM.
    Type: Application
    Filed: September 2, 2003
    Publication date: February 12, 2004
    Inventors: Kimmo Rantanen, Veli-Pekka Heinonen, Miguel-Angel Garcia-Martin