Patents Assigned to ZTEIT USA, Inc.
  • Patent number: 7729303
    Abstract: Methods and systems for implementing trunking techniques in CDMA systems for handling group calls and push-to-talk services and roaming of group calls.
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: June 1, 2010
    Assignee: ZTEIT USA, Inc.
    Inventors: James Jiang, Yonggang Fang, Rajesh Bhalla, Mary Chion
  • Patent number: 7453837
    Abstract: Methods and systems for implementing trunking techniques in CDMA systems for handling group calls and push-to-talk services.
    Type: Grant
    Filed: December 5, 2002
    Date of Patent: November 18, 2008
    Assignee: ZTEIT USA, Inc.
    Inventors: James Jiang, Yonggang Fang, Mary Chion, Rajesh Bhalla