The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 19, 2012
Filed:
May. 26, 2006
J. Mark Dammrose, Woodinville, WA (US);
J. Mark Dammrose, Woodinville, WA (US);
AT&T Mobility II LLC, Atlanta, GA (US);
Abstract
A variety of methods and systems can be used to achieve electronic surveillance when a call is directed to a destination as a result of service processing. For example, in a system involving a redirecting switch and a service platform switch, correlation between calling party identities for outgoing and incoming call legs can be done to identify a hairpin loop scenario. Upon detection of such a scenario, an appropriate electronic surveillance message can be sent to a monitoring device indicating the call's destination. Correlation information can be collected from available call setup signaling parameters. The methods and systems can be applied, for example, to systems involving directory assistance call completion, voice-activated dialing, voicemail callback, and prepaid services.