METHOD FOR THE OBTAINING OF POSITION INFORMATION FOR A USER INITIATING AN EMERGENCY CALL IN A COMMUNICATION SYSTEM
First Claim
1. A method, comprising:
- receiving, by a presence server, a publication of presence information associated with a user, the presence information comprising a human-readable address for the user;
receiving, by a multimedia session processing server, a request for establishing an emergency session from the user;
routing the emergency session to a public safety answering point node by the multimedia session processing server;
receiving, by the presence server, a subscription carried in a session initiation protocol message for at least part of the presence information from the public safety answering point node, the at least part of the presence information comprising the human-readable address for the user;
determining the public safety answering point node as a source of the subscription;
authorizing the subscription in response to the determination; and
providing, by the presence server, the at least part of the presence information to the public safety answering point node.
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Accused Products
Abstract
The invention relates to a system and a method. In the method publication of presence information associated with a user is received by a presence server, the presence information comprises a human-readable address for the user. A request for establishing an emergency session from the user is received to a session processing server, which routes the emergency session to a public safety answering point node. In response to receiving the emergency session, the public safety answering point node sends a subscription for at least part of the presence information to the presence server, the at least part of the presence information comprising the human-readable address for the user. The presence server provides in response the at least part of the presence information to the public safety answering point node.
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Citations
12 Claims
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1. A method, comprising:
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receiving, by a presence server, a publication of presence information associated with a user, the presence information comprising a human-readable address for the user; receiving, by a multimedia session processing server, a request for establishing an emergency session from the user; routing the emergency session to a public safety answering point node by the multimedia session processing server; receiving, by the presence server, a subscription carried in a session initiation protocol message for at least part of the presence information from the public safety answering point node, the at least part of the presence information comprising the human-readable address for the user; determining the public safety answering point node as a source of the subscription; authorizing the subscription in response to the determination; and providing, by the presence server, the at least part of the presence information to the public safety answering point node. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A communication system, comprising:
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a multimedia session processing server configured to receive a request for establishing an emergency session from the user, to route the emergency session to a public safety answering point node; and a presence server configured to receive a publication of presence information associated with a user, the presence information comprising a human-readable address for the user, to receive a subscription carried in a session initiation protocol message for at least part of the presence information from the public safety answering point node, the at least part of the presence information comprising the human-readable address for the user, to determine the public safety answering point node as a source of the subscription, to authorize the subscription in response to the determination, and to provide the at least part of the presence information to the public safety answering point node.
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11. A presence server, comprising:
at least one processor configured to receive a publication of presence information associated with a user, the presence information comprising a human-readable address for the user, to receive a subscription carried in a session initiation protocol message for at least part of the presence information from the public safety answering point node, the at least part of the presence information comprising the human-readable address for the user, to determine the public safety answering point node as a source of the subscription, to authorize the subscription in response to the determination, and to provide the at least part of the presence information to the public safety answering point node.
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12. A computer program stored on a computer readable medium comprising code adapted to cause the following when executed on a data-processing system:
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receiving, by a presence server, a publication of presence information associated with a user, the presence information comprising a human-readable address for the user; receiving, by the presence server, a subscription carried in a session initiation protocol message for at least part of the presence information from the public safety answering point node, the at least part of the presence information comprising the human-readable address for the user; determining the public safety answering point node as a source of the subscription; authorizing the subscription in response to the determination; and providing, by the presence server, the at least part of the presence information to the public safety answering point node.
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Specification