Patents Assigned to Sony Corporation Sony Mobile Communications AB
  • Method and apparatus for relaying calls
    Patent number: 8538004
    Abstract: A dual mode user terminal for a calling party can make calls over both a conventional cellular network and a packet data network using VoIP protocols. If the called party is not available to receive a VoIP call over the packet data network, the user terminal for the calling party can request a third party user terminal available on the packet data network to relay the call between the calling party and the called party.
    Type: Grant
    Filed: January 8, 2009
    Date of Patent: September 17, 2013
    Assignee: Sony Corporation Sony Mobile Communications AB
    Inventors: Allen Michael East, Gregory A. Dunko, Leland Scott Bloebaum