IP-PBX, IP-PBX System, IP Terminal Control Program

Details for Australian Patent Application No. 2004201561 (hide)

Owner NEC Infrontia Corporation

Inventors Koyama, Junichi

Agent Spruson & Ferguson

Pub. Number AU-B-2004201561

Priority 108561/2003 14.04.03 JP

Filing date 14 April 2004

Wipo publication date 28 October 2004

Acceptance publication date 22 April 2010

International Classifications

H04Q 3/58 (2006.01) Selecting arrangements - Arrangements providing connection between main exchange and sub-exchange or satellite

H04J 3/16 (2006.01) Time-division multiplex systems - in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted

H04L 12/66 (2006.01) Data switching networks - Arrangements for connecting between networks having differing types of switching systems, e.g. gateways

H04L 29/06 (2006.01) Arrangements, apparatus, circuits or systems, not covered by a single one of groups - characterised by a protocol

H04L 29/12 (2006.01) Arrangements, apparatus, circuits or systems, not covered by a single one of groups - characterised by the data terminal

H04M 3/00 (2006.01) Automatic or semi-automatic exchanges

H04M 7/00 (2006.01) Arrangements for interconnection between switching centres

H04M 11/00 (2006.01) Telephonic communication systems specially adapted for combination with other electrical systems

Event Publications

29 April 2004 Complete Application Filed

  Priority application(s): 108561/2003 14.04.03 JP

28 October 2004 Application Open to Public Inspection

  Published as AU-B-2004201561

7 September 2006 Assignment before Grant

  NEC Corporation The application has been assigned to NEC Infrontia Corporation

22 April 2010 Application Accepted

  Published as AU-B-2004201561

19 August 2010 Standard Patent Sealed

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