Method and system for providing telecommunication services across networks that use different protocols
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United States of America Patent
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Feb 24, 2004
Grant Date -
N/A
app pub date -
Jun 23, 2000
filing date -
Jun 24, 1999
priority date (Note) -
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Abstract
A method and system provide seamless, wireless telecommunication service to customers that move between disparate networks that use different protocols. A Universal Location Service Register (ULSR) communicates and provides mobility management and authentication functions across networks that use different protocols. Instead of associating each MSC with an HLR and an AuC that uses the same messaging protocol as the MSC, each MSC communicates with the ULSR for user information. The ULSR communicates with the MSCs in each network serviced by the ULSR in accordance with the protocol of that network. The ULSR stores user profiles that may include the identity of the user, authentication information for the user's mobile phone, a list of networks the user is authorized to access, and the identity of the MSC at which the user is currently registered.
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