The diagram below llustrates how John Smith (574-1115) can call the mobile user at 1303442-1115 without having to pay toll charges. In this example, the call will be handled by a VX that is local to the mobile user in the 303 area code. The call will be routed from John Smith through the VX node at over the Internet to VX node at then over the PSTN to the mobile user. From the Telco perspective, the call is coming from the VX which is in the 303 area code and is logged as a local, non-toll call.