Telefonaktiebolaget Lm Ericsson (publ)

Giuseppe Bruzzese

Margaret Britt

Binh Nguyen

Susan Anctil

Hanh Duy Vo

Pietro Fionda

Phat M Nguyen

A method in a Wireless Intelligent Network (WIN) of handling subscriber services when a serving Mobile Switching Center (MSC) does not support all WIN triggers. The WIN includes a Home Location Register (HLR) having a subscriber profile that indicates the WIN triggers required to support a particular subscriber's active services. When an invoke message is sent from the MSC to the HLR, a WIN Capabilities (WINCAP) parameter is included and indicates the WIN triggers supported by the MSC. The HLR identifies a Service Control Point (SCP) for each subscriber service that requires a WIN trigger and is not supported by the MSC. The HLR then queries each identified SCP for call-treatment instructions. If an SCP determines that its service is essential, a response is returned to the HLR with an instruction to deny service to the subscriber. If an SCP determines that its service is not essential, a response is returned to the HLR with an instruction to skip the unsupported service and allow basic services to the subscriber. The HLR collates the responses and determines a call-treatment response to return to the MSC.

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St-Leonard, Canada

Giuseppe Bruzzese