Method and apparatus for establishing TDD/TTY service over vocoded channels

Details for Australian Patent Application No. 2004200851 (hide)

Owner Qualcomm Incorporated

Inventors Dejaco, Andrew; Leung, Nikolai K N; John, K Johnny

Agent Madderns

Pub. Number AU-A-2004200851

Parent 52105

Filing date 4 March 2004

Wipo publication date 25 March 2004

International Classifications

H04L 012/56 Data switching networks - Packet switching systems

Event Publications

18 March 2004 Complete Application Filed

25 March 2004 Application Open to Public Inspection

  Published as AU-A-2004200851

30 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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