Method and system for preventing call forward looping

Details Method and system for preventing call forward looping Method and system for preventing call forward looping

2006-11-28

2006-11-28

Chan, Wing (Department: 2614)

Telephonic communications

Special services

Call diversion

C379S221010, C379S211010, C379S212010

Reexamination Certificate

active

07142657

ABSTRACT:
In a telecommunications network having switching points (such as SSPs and/or MSCs) controlled by a control point (such as an SCP), the switching points are provisioned to send messages to the control point when they encounter trigger conditions during processing of a call to a called station that has a forward-to number. When the control point receives the messages, it determines whether a loop condition exists, i.e., whether the call has already been forwarded from the forward-to number. If the control point determines that a loop condition exists, the control point instructs the switching point so as not to forward the call to the forward-to number.

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