Patents by Inventor Carlos M. Miranda

Carlos M. Miranda 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).

  • Determining quality of voice calls over a packet network
    Patent number: 7756052
    Abstract: The present invention provides a method for managing a voice call over a packet switched network, in which the voice call is rerouted when voice quality is below a predetermined level. In particular, the voice quality is determined by calculating a parameter representing the voice quality based on information regarding codec, network delay and packet loss. Preferably, R-factor and MOS is calculated based on the information obtained from Cisco CDRs during the call session.
    Type: Grant
    Filed: September 22, 2005
    Date of Patent: July 13, 2010
    Assignee: ITXC IP Holdings S.a.r.l.
    Inventors: Carlos M. Miranda, James Karanassos, Galeal Zino