Patent ID: 6771950
Filing Date: 2004-08-03
Classification: H04L,H04M,H04W

Abstract:
For use in a wireless communication system including a Mobile Switching Center (MSC), a Home Location Register (HLR) having a database, and a plurality of subscribers, each subscriber assigned a Mobile Identification Number (MIN), a method for a subscriber to originate a Calling Party number trace, comprising:receiving a Location Request Message (LOCREQ) at the HLR for an inbound call to a subscriber, the LOCREQ including Calling Party Information; determining if the subscriber has a Customer Originated Trace (COT) feature; if the subscriber has the COT feature, temporarily storing the Calling Party Information in the HLR database; receiving a feature code at the MSC, the feature code corresponding to a subscriber COT request; generating a Feature Request message at the MSC for receipt by the HLR; determining based on the subscriber's MIN if the subscriber has the COT feature and Calling Party Information temporarily stored in the HLR, and; if the subscriber has the COT feature and a Calling Party Information temporarily stored in the HLR database, permanently storing the Calling Party Information in the database.