Patent ID: 6453035
Filing Date: 2002-09-17
Classification: H04M,H04Q

Abstract:
A method of providing a Private Network on a Public Network for Customers having two or more sites, each said site having a unique customer site identification which includes a Switch Identification and a Trunk Group Identification representative of said customer's Dedicated Access Line, and being associated with an End Office Switch of said Public Network having at least one Service Switching Point adapted to route Private Network calls, said Service Switching Point responsive to an Initial Address Message originating from one of said customer sites and destined for another of said customer sites, comprising the steps of:embedding originating customer site identification and a Private Network Routing Code into a Called Party Number Parameter of an Initial Address Message at the originating End Office associated with the originating customer site; said originating customer site identification including an Originating Switch Identification and an Originating Trunk Group Identification representative of said originating customer's Dedicated Access Line; routing said Initial Address Message to said Service Switching Point; embedding a destination End Office identification and a destination customer site identification associated with said destination customer site into said Initial Address Message; and routing said Initial Address Message to the destination End Office Switch associated with said destination customer site.