Patent ID: 8387121
Filing Date: 2013-02-26
Classification: G06F,H04W

Abstract:
1. A computer program embodied on a non-transitory computer readable medium, comprising: computer code for receiving, from a first network service provider, a message associated with a customer of a second network service provider, the message indicating usage by the customer of a network provided by the first network service provider; computer code for sending, from the second network service provider, a request to the customer for authentication information, the request sent in response to the receipt of the message; computer code for determining whether a valid response to the request is received by the second network service provider; and computer code for conditionally blocking the usage by the customer of the network provided by the first network service provider, based on the determination; wherein the computer program is operable such that the usage by the customer of the network provided by the first network service provider is further blocked based on exceeding a time period for receiving a response to the request from the customer; wherein the message associated with the customer of the second network service provider includes a Near Real Time Roaming Data Exchange (NRTRDE) message; wherein the NRTRDE message is received from the first network service provider after the customer initiates roaming on the network provided by the first network service provider.