SILENT RINGING WITH REDUCED DEVICE SIZES

Details for Australian Patent Application No. 2003290870 (hide)

Owner CATENA NETWORKS, INC.

Inventors PORTER, Steven

Pub. Number AU-A-2003290870

PCT Number PCT/US2003/0363

PCT Pub. Number WO2004/045194

Priority 2,411,622 12.11.02 CA

Filing date 12 November 2003

Wipo publication date 3 June 2004

International Classifications

H04M 003/00 Automatic or semi-automatic exchanges

H04M 001/00 Substation equipment, e.g. for use by subscribers

H04M 009/00 Arrangements for interconnection not involving centralised switching

H04M 009/08 Arrangements for interconnection not involving centralised switching - Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

H04M 005/00 Manual exchanges

Event Publications

8 April 2004 Complete Application Filed

  Priority application(s): 2,411,622 12.11.02 CA

8 July 2004 Application Open to Public Inspection

  Published as AU-A-2003290870

28 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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