System and method to stop call looping

Details System and method to stop call looping System and method to stop call looping

2005-01-18

2005-01-18

Smith, Creighton (Department: 2645)

Telephonic communications

Special services

Call diversion

C379S211040

Reexamination Certificate

active

06845152

ABSTRACT:
A system to stop call looping in a communications network comprises a switch to receive incoming calls, a server operatively connected to the switch, and a call control function running on the server. The call control function is programmed to determine if incoming calls, received at the switch and directed to a called number, are possible looped calls. If the call control function determines that a given incoming call is a possible looped call of a previous call, then it delays the forwarding of the incoming call to the called number.

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patent: 5982870 (1999-11-01), Pershan et al.
patent: 6167256 (2000-12-01), Ylä-Outinen et al.
patent: 6418212 (2002-07-01), Harrison et al.
patent: 0749 228 (1996-12-01), None
patent: WO 0062557 (2000-10-01), None
“Re: Is Concurrent Call Forwarding Possible?” Brian Kantor; comp.dcom.telecom; Apr. 7, 1996. (1 pg).
“Re: Numer of Simultaneous Forwarded Calls” Al Varney; AT&T Network Systems; Mar. 9, 1993. (3 pgs).
White Paper—“Mobile Advantage Wireless Assistant” 2002 Ericsson Inc. (14 pages).

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