Network-based securing of added-value services against...

Details Network-based securing of added-value services against... Network-based securing of added-value services against...

2004-04-27

2008-08-05

Tieu, Binh K (Department: 2614)

Telephonic communications

With usage measurement

Call charge metering or monitoring

C379S093030, C379S100060, C379S143000, C379S201020, C379S207130

Reexamination Certificate

active

07409049

ABSTRACT:
A network-based verification of call connections is provided between a telecommunications subscriber terminal and a telecommunications service device selected by a service call number. This verification provides a way of enabling secure protection against an undesired selection of a service device and/or the selection of an undefined service device. A system and a method are provided in which during a call set-up, the selected call number is evaluated on the basis of at least one service call number stored in a communication network and/or at least one service call number area. In response to the identification of a service call number, the transmission of a defined confirmation information message from the telecommunication subscriber terminal is requested for the verification of the call connection, and in response to a mismatch between the requested confirmation information message and the confirmation information message transmitted, or not, by the telecommunication subscriber device, the call set-up is interrupted.

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