Patents Examined by Joy K. Redman
  • Call routing using direct in-dialing numbers in place of temporary routing numbers
    Patent number: 6185425
    Abstract: A call routing number for a mobile station operating in a wireless telecommunication system is obtained by first requesting a temporary routing number for use in routing a call to the mobile station. Provided in response to the request is a routing number that had already been assigned to the mobile station when the request was received.
    Type: Grant
    Filed: June 22, 1998
    Date of Patent: February 6, 2001
    Assignee: Telefonaktiebolaget LM Ericsson
    Inventors: Magnus Lindgren, Claes Wikström