Patent ID: 6907237

Claim:
A communication system that provides backup wireless communication services, comprising: a plurality of communication devices that include at least one first communication device subscribed to a first class of service and at least one second communication device subscribed to a second class of service; a database including subscription information of the at least one first communication device and the at least one second communication device; a main system component that normally serves all of the plurality of the communication devices; and a backup system component for the main system component that, in response to the main system component going out of service, operates to: obtain subscription information from the database for a particular communication device needing service; provide service to the particular communication device needing service if the subscription information indicates that the particular communication device subscribes to the first class of service; and terminate service to the particular communication device needing service if the subscription information indicates that the particular communication device subscribes to the second class of service.