Method for SRVCC emergency call support
First Claim
1. A method comprising:
- receiving, at a home subscriber server, a first message comprising a generated value representing a session transfer number from an internet protocol multimedia subsystem, the session transfer number relating to a transfer of an emergency session from a first network to a second network and pointing to the internet protocol multimedia subsystem where the transfer of the emergency session occurs;
updating, by the home subscriber server, a user profile with the generated value representing the session transfer number for the emergency session, the user profile stored in the home subscriber server; and
sending, by the home subscriber server, a second message comprising the generated value representing the session transfer number.
6 Assignments
0 Petitions
Accused Products
Abstract
Methods and apparatus, including computer program products, are provided for emergency call support. In one aspect there is provided a method. The method may include a home subscriber server receiving a first message comprising a generated value representing a session transfer number. The session transfer number may relate to a transfer of an emergency session from a first network to a second network. The method may further comprise a home subscriber server updating a user profile with the generated value representing the session transfer number for the emergency session. The user profile may be stored in the home subscriber server. The method may further comprise a home subscriber server sending a second message comprising the generated value representing the session transfer number. Related apparatus, systems, methods, and articles are also described.
14 Citations
20 Claims
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1. A method comprising:
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receiving, at a home subscriber server, a first message comprising a generated value representing a session transfer number from an internet protocol multimedia subsystem, the session transfer number relating to a transfer of an emergency session from a first network to a second network and pointing to the internet protocol multimedia subsystem where the transfer of the emergency session occurs; updating, by the home subscriber server, a user profile with the generated value representing the session transfer number for the emergency session, the user profile stored in the home subscriber server; and sending, by the home subscriber server, a second message comprising the generated value representing the session transfer number. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus comprising:
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at least one processor; and at least one memory including computer program code, the at least one processor, the at least one memory, and the computer program code configured to cause the apparatus to perform at least the following; receive, at a home subscriber server, a first message comprising a generated value representing a session transfer number from an internet protocol multimedia subsystem, the session transfer number relating to a transfer of an emergency session from a first network to a second network and pointing to the internet protocol multimedia subsystem where the transfer of the emergency session occurs; update, by the home subscriber server, a user profile with the generated value representing the session transfer number for the emergency session, the user profile stored in the home subscriber server; and send, by the home subscriber server, a second message comprising the generated value representing the session transfer number. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A computer program product comprising a non-transitory computer-readable medium encoded with instructions, that when executed by at least one processor, perform at least the following operations:
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receiving, at a home subscriber server, a first message comprising a generated value representing a session transfer number from an internet protocol multimedia subsystem, the session transfer number relating to a transfer of an emergency session from a first network to a second network and pointing to the internet protocol multimedia subsystem where the transfer of the emergency session occurs; updating, by the home subscriber server, a user profile with the generated value representing the session transfer number for the emergency session, the user profile stored in the home subscriber server; and sending, by the home subscriber server, a second message comprising the generated value representing the session transfer number. - View Dependent Claims (18, 19, 20)
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Specification