Method and apparatus for acoustic echo cancellation in a communication system providing TTY/TDD service

Details for Australian Patent Application No. 2003235609 (hide)

International Classifications

Event Publications

4 September 2003 Application Open to Public Inspection

Published as AU-B-2003235609

4 September 2003 Complete Application Filed

Priority application(s): 10-2002-0003308 21.01.02 KR

24 March 2005 Application Accepted

Published as AU-B-2003235609

21 July 2005 Standard Patent Sealed

19 August 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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