Method and apparatus for providing ringback in a...

Details Method and apparatus for providing ringback in a... Method and apparatus for providing ringback in a...

2011-06-14

2011-06-14

Nguyen, Quynh H (Department: 2614)

Telephonic communications

Special services

Service trigger

C379S196000, C379S201010, C379S221080, C379S221090

Reexamination Certificate

active

07961862

ABSTRACT:
A method of providing ringback in a telecommunications network (100) includes: receiving a call at a service switching point (114) for a called party (112) served by the service switching point (114), the call being from a calling party (122); encountering a trigger detection point (116) while engaging in a call setup for the call, the trigger detection point (116) being provisioned for the called party (112) at the service switching point (114); in response to encountering the trigger detection point (116), extending a first leg of the call to a service node (130) that provides ringback to the calling party (122); setting-up a second leg of the call between the service node (130) and the called party (112); bridging together the first and second legs of the call at the service switching point (114); and, removing the service node (130) from participation in the call after the first and second legs have been bridged together at the service switching point (114).

REFERENCES:
patent: 2004/0120494 (2004-06-01), Jiang et al.
patent: 2005/0021713 (2005-01-01), Dugan et al.
patent: 2005/0078812 (2005-04-01), Batni et al.
patent: 2005/0105706 (2005-05-01), Kokkinen
patent: 1 523 199 (2005-04-01), None
patent: WO 98/21901 (1998-05-01), None

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