Methods and apparatus for supporting session registration messaging
First Claim
1. A communications method, comprising the steps of:
- operating a home session signaling server node to receive a first registration message including an end node session signaling address and an access node session signaling address; and
operating the home session signaling server node to store registration information associating said access node session signaling address with said end node session signaling address.
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Accused Products
Abstract
Session signaling register message transmission methods and apparatus well suited for use in a communication system which supports mobile nodes capable of moving between domains and access nodes in a domain are described. Broadcasting of session signaling register messages is supported to reduce the number of registration messages which need to be transmitted between a mobile node and an access node. A paging and location server is used to reduce the number of session signaling register messages transmitted between domains. A visiting node registers with a paging and location server. The session signaling address of the paging and location server being used by a visiting mobile node is registered with the visiting node'"'"'s home session signaling server. As the visiting node moves between access nodes in the visited domain the paging and location server it uses remains the same eliminating the need to update the home session signaling servers.
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Citations
37 Claims
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1. A communications method, comprising the steps of:
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operating a home session signaling server node to receive a first registration message including an end node session signaling address and an access node session signaling address; and
operating the home session signaling server node to store registration information associating said access node session signaling address with said end node session signaling address. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A communications system comprising:
a home session signaling server including;
means for receiving registration messages including an end node session signaling address and an access node session signaling address; and
a memory for storing registration information associating access node session signaling address with end node session signaling address included in received registration messages. - View Dependent Claims (17, 18, 19, 20, 21)
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22. A method of operating an access node to process a first session signal registration message from an end node, the method comprising:
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performing a forwarding address translation operation on said first session signaling registration message to generate as second session signaling registration message; and
transmitting said second session signaling message. - View Dependent Claims (23, 24, 25, 26, 27)
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28. A machine-readable storage medium comprising a session signaling register message, the session signaling register message including:
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a target field;
a contact field; and
at least two different end node session signaling identifiers. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification