System and method for on-hold call back

Telephonic communications – Special services – Reserved call

Reexamination Certificate

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Details

C379S209010, C709S202000

Reexamination Certificate

active

06885741

ABSTRACT:
A method and system are disclosed for automated call back of a first telephone station that has been placed on hold by a second telephone station in an advanced intelligent network. The system comprises a service switching point connected to the first telephone station, a service node adapted to connect the second telephone station with the first telephone station when the second telephone station becomes available, and a service control point containing a database identifying the service node as adapted to connect the second and first telephone stations. The method includes the following steps: at the service switching point forwarding a request to the service control point to identify one of the plurality of service nodes to handle an automated call back from the second station to the first station; searching the database at the service control point for one of the plurality of service nodes to handle the automated call back to the first station from the second station; identifying to the service switching point, one of the plurality of service nodes to handle the automated call back from the second station to the first station; forwarding to the service node a request for automated call back from the second station to the first station; and upon receiving a signal from the second station at the service node, connecting the second station and the first station.

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patent: 6363411 (2002-03-01), Dugan et al.
patent: 6574324 (2003-06-01), Malik
patent: 20030016801 (2003-01-01), Moss et al.

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