Method and apparatus for changing and pushing a sound source of a supplementary service using a ring back tone on calling

Details for Australian Patent Application No. 2004300818 (hide)

Owner KTFreetel Co. Ltd. TI Square Technology Ltd.

Inventors Lee, Hwang-Kyun; Ahn, Hee-Jung; Lee, Gil-Soo; Shim, Jae-Wook

Agent Davies Collison Cave

Pub. Number AU-B-2004300818

PCT Pub. Number WO2005/006721

Priority 10-2003-0047553 12.07.03 KR; 10-2003-0047554 12.07.03 KR

Filing date 17 March 2004

Wipo publication date 20 January 2005

Acceptance publication date 20 September 2007

International Classifications

H04M 1/725 (2006.01) Substation equipment, e.g. for use by subscribers

H04M 3/42 (2006.01) Automatic or semi-automatic exchanges - Systems providing special services or facilities to subscribers

Event Publications

2 February 2006 PCT application entered the National Phase

  PCT publication WO2005/006721 Priority application(s): WO2005/006721

20 September 2007 Application Accepted

  Published as AU-B-2004300818

17 January 2008 Standard Patent Sealed

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