Patent ID: 8737580

Claim:
A method for toggling voicemail class of service, the method comprising: receiving, at a billing system, a class of service change request from a subscriber, the class of service change request comprising a request to change from a plain old voicemail service associated with a plain old voicemail system, the plain old voicemail system comprising a plain old voicemail account associated with the subscriber for storing voicemail messages directed to the subscriber to a visual voicemail service; validating the class of service change request at the billing system; and in response to validating the class of service change request, sending, by the billing system, a class of service delete request to the plain old voicemail system to at least temporarily disable the plain old voicemail account associated with the subscriber, determining, by the billing system, a visual voicemail system for provisioning a visual voicemail account for providing the visual voicemail service to the subscriber, and sending, the billing system to the visual voicemail system, a provisioning request to provision the visual voicemail account for providing the visual voicemail service to the subscriber.