H.323 user, service and service provider mobility framework for the multimedia intelligent networking
First Claim
1. A method for assuring H.323 alias address portability, services portability, and service provider portability to an H.323 user in real-time H.323 multimedia communications where the H.323 user is registered with a home gatekeeper for a home zone of the H.323 user, comprising the steps of:
- sending, by the H.323 user, a message with a called H.323 entity'"'"'s alias address, to the home gatekeeper to originate a call to the called H.323 entity;
confirming that the alias address is portable;
converting the alias address to a called routable address for the called H.323 entity and sending the routable address to the H.323 user; and
placing the call to the called H.323 entity.
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Accused Products
Abstract
The present invention provides a method and system for assuring H.323 alias address portability to an H.323 user in real-time H.323 multimedia communications where the H.323 user is registered with a home gatekeeper for the home zone of the H.323 user. Alias address portability may be obtained using a central database that is known to the administrative zones and is used for alias address mapping, or alternatively, may be obtained by using a distributed database. The method may be implemented by: sending, by the H.323 user, a message with a called H.323 entity'"'"'s alias address, to the home gatekeeper to originate a call to the called H.323 entity; confirming that the alias address, services, and service providers are portable; converting the alias address to a called routable alias address for the called H.323 entity and sending the alias address to the H.323 user; and placing the call to the called H.323 entity.
27 Citations
4 Claims
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1. A method for assuring H.323 alias address portability, services portability, and service provider portability to an H.323 user in real-time H.323 multimedia communications where the H.323 user is registered with a home gatekeeper for a home zone of the H.323 user, comprising the steps of:
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sending, by the H.323 user, a message with a called H.323 entity'"'"'s alias address, to the home gatekeeper to originate a call to the called H.323 entity; confirming that the alias address is portable; converting the alias address to a called routable address for the called H.323 entity and sending the routable address to the H.323 user; and placing the call to the called H.323 entity.
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2. A method for providing H.323 alias address portability to an H.323 user in real-time H.323 multimedia communications wherein a geographical location is divided into home/visitor zones, and wherein each home/visitor zone has an associated home gatekeeper that maintains a centralized home/visitor location database for home and visitor location information wherein administrative zones of the geographical location of the centralized home/visitor location database are known and the H.323 user is registered with a home gatekeeper for the home zone of the H.323 user, comprising the steps of:
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sending, by the H.323 user, a message with a called H.323 entity'"'"'s alias address, to the home gatekeeper to originate a call to the called H.323 entity; translating, by the home gatekeeper, the alias address to a called routable address for the called H.323 entity; sending, by the home gatekeeper, the called routable address to the called H.323 entity; and placing the call to the called H.323 entity, wherein an alias address assigned to the H.323 user is kept fixed as the user moves from one place to another.
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3. A method for providing H.323 alias address portability to an H.323 user in real-time H.323 multimedia communications wherein a geographical location is divided into home/visitor zones, and wherein each home/visitor zone has an associated home gatekeeper with an administrative domain having an administrative domain database for providing alias addresses to a requesting home gatekeeper, wherein administrative zones of the geographical location of the administrative domain database are known and the H.323 user is registered with a home gatekeeper for the home zone of the H.323 user, comprising the steps of:
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sending, by the H.323 user, a message with a called H.323 entity'"'"'s alias address, to the home gatekeeper to originate a call to the called H.323 entity; sending a query message with the alias address to a home gatekeeper of the administrative domain for the called H.323 entity to determine portability of the alias address; where the administrative domain of the H.323 user confirms portability of the alias address, implementing the following steps; querying a database containing the alias address to determine whether the alias address must be mapped to a routable address and where the alias address must be mapped, implementing the following steps; mapping the alias address to the routable address for the called H.323 entity; sending the routable address for the called H.323 entity to the H.323 user; and placing the call to the called H.323 entity, wherein an alias address assigned to the H.323 user is kept fixed as the user moves from one place to another.
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4. A computer readable medium tangibly embodying computer executable instructions to perform a method for providing H.323 alias address portability to an H.323 user in real-time H.323 multimedia communications wherein a geographical location is divided into home/visitor zones, and wherein each home/visitor zone has an associated home gatekeeper that maintains a centralized home/visitor location database for home and visitor location information wherein administrative zones of the geographical location of the centralized home/visitor location database are known and the H.323 user is registered with a home gatekeeper for the home zone of the H.323 user, the method comprising the steps of:
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sending, by the H.323 user, a message with a called H.323 entity'"'"'s alias address, to the home gatekeeper to originate a call to the called H.323 entity; translating, by the home gatekeeper, the alias address to a called routable address for the called H.323 entity; sending, by the home gatekeeper, the called routable alias address to the called H.323 entity; and placing the call to the called H.323 entity, wherein an alias address assigned to the H.323 user is kept fixed as the user moves from one place to another.
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Specification