Patent ID: 6493551
Filing Date: 2002-12-10
Classification: H04M,H04W

Abstract:
A system to provide basic wireless call delivery service for a user having a mobile device and subscribing to a home wireless service provider serving a home wireless network, wherein the user roams to visit an area served by a visited wireless service provider serving a visited wireless network distinct and separate from the home wireless network, wherein there does not exist a pre-arranged Global Systems for Mobile Communications (GSM) Memorandum of Understanding (MoU) between the home wireless service provider and the visited wireless service provider, and wherein the user has a payment means to pay for the basic wireless call delivery service, the system comprising:payment identification means for identifying the user's payment means to the visited wireless service provider; bypass means for conveying a voice call as packet data independently of an existing Public Switched Telephony Network (PSTN), an existing GSM MAP network, and an existing ANSI-41 network; delivery service means for providing basic wireless call delivery service via the PSTN bypass, responsive to the payment identification means; collection means for collecting billing information from the visited wireless network by the visited wireless service provider responsive to the delivery service means; and billing means for billing the user by the visited wireless service provider responsive to the collection means and the payment identification means.