Method of and system for automatically switching between free directory assistance service and chargeable directory assistance service

Details for Australian Patent Application No. 2008319388 (hide)

Owner Volt Delta Resources LLC

Inventors Pellegrino, Michael; Oldach, Richard J.; Detrie, Robert C.; Scott, Dwight E.

Agent Freehills

Pub. Number AU-B-2008319388

PCT Pub. Number WO2009/058289

Priority 12/257,454 24.10.08 US; 60/983,897 30.10.07 US

Filing date 28 October 2008

Wipo publication date 7 May 2009

Acceptance publication date 23 August 2012

International Classifications

H04M 3/42 Automatic or semi-automatic exchanges - Systems providing special services or facilities to subscribers

Event Publications

20 May 2010 PCT application entered the National Phase

  PCT publication WO2009/058289 Priority application(s): WO2009/058289

23 August 2012 Application Accepted

  Published as AU-B-2008319388

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