Method for providing subscriber-based ringback tone through...

Details Method for providing subscriber-based ringback tone through... Method for providing subscriber-based ringback tone through...

2003-07-28

2008-11-04

Eng, George (Department: 2617)

Telecommunications

Radiotelephone system

Special service

C455S432300, C455S433000, C455S567000, C379S373030, C379S207160

Reexamination Certificate

active

07447496

ABSTRACT:
In a method for providing an arbitrary sound, chosen by a called subscriber, as a ringback tone to a calling subscriber through a call-originating exchanger, the call-originating exchanger requests a trunk connection to a sound database server based on first information on whether or not to replace an RBT (RingBack Tone) and second information on a route to the sound database server that are received from a home location register (HLR), and provides a called subscriber identification for the sound database server. Then, the sound database server searches its database for a sound specified by the called, and provides the found sound for the caller instead of a conventional RBT via the originating exchanger connected through the requested trunk connection. The caller can hear a sound specified by the called instead of the conventional RBT.

REFERENCES:
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patent: 6427076 (2002-07-01), Skog
patent: 2004/0204146 (2004-10-01), Deeds
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patent: 100292089 (2001-06-01), None
patent: 2001-108937 (2001-12-01), None
patent: 2002-039501 (2002-05-01), None
patent: WO 00/42763 (2000-07-01), None

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