Independent billing settlement for call origination by wireless subscribers roaming to foreign wireless networks

摘要

Method and system to bypass GSM Memorandum of Understandings for cellular/PCS services so that GSM subscribers roaming into CDMA or TDMA networks, and CDMA or TDMA subscribers roaming into GSM networks, can be provided with basic call origination wireless services as long as the roamers can pay the bill with their valid credit card. This is achieved by integrating the proper pieces of wireless and wireline networks and secure communications.