Patents by Inventor Rogerio Oliveira Ferraz

Rogerio Oliveira Ferraz 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).

  • Routing of calls to subscribers of other mobile network operators
    Patent number: 9380514
    Abstract: A method, control node, and system for routing communication calls from a first telecommunication system of a first network operator to a second telecommunication system of a second network operator, the first telecommunication system and the second telecommunication system being interconnected via at least two points of interconnect, and the points of interconnect being physically distant to each other.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: June 28, 2016
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Philippe Duroux, Rogerio Oliveira Ferraz
  • ROUTING OF CALLS TO SUBSCRIBERS OF OTHER MOBILE NETWORK OPERATORS
    Publication number: 20150141022
    Abstract: A method, control node, and system for routing communication calls from a first telecommunication system of a first network operator to a second telecommunication system of a second network operator, the first telecommunication system and the second telecommunication system being interconnected via at least two points of interconnect, and the points of interconnect being physically distant to each other.
    Type: Application
    Filed: October 30, 2012
    Publication date: May 21, 2015
    Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Philippe Duroux, Rogerio Oliveira Ferraz