Method for providing a subscriber-based ringback tone sound...

Telecommunications – Radiotelephone system – Special service

Reexamination Certificate

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Details

C455S567000, C455S433000, C455S432300, C379S373030, C379S207160

Reexamination Certificate

active

07400882

ABSTRACT:
In a method of providing a caller with a pre-stored sound chosen by a called subscriber instead of a standard RBT (RingBack Tone), an HLR (Home Location Register), when a location request message is received from a call-originating exchanger, furnishes either the call-originating exchanger or a call-terminating exchanger with information on whether or not an RBT is to be replaced for the called terminal. The call-originating exchanger or the call-terminating exchanger then searches, while a trunk connection is established between the exchangers, for a sound code assigned to the called terminal based on the information furnished by the HLR, and provides the caller with a pre-stored RBT-replacing sound associated with the found sound code as an RBT.

REFERENCES:
patent: 5926537 (1999-07-01), Birze
patent: 6427076 (2002-07-01), Skog
patent: 7242756 (2007-07-01), Hahm et al.
patent: 2004/0204146 (2004-10-01), Deeds
patent: 2000-50347 (2000-02-01), None
patent: 2001-106685 (2000-04-01), None
patent: 2000-000244 (2000-01-01), None
patent: 2000-30035 (2000-06-01), None
patent: 2000-55316 (2000-09-01), None
patent: 10-0292089 (2001-06-01), None
patent: 2001-108937 (2001-12-01), None
patent: 2002-39501 (2002-05-01), None
patent: 2000-42763 (2000-08-01), None
International Search Report dated Mar. 22, 2004 for PCT/KR2003/001703.

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