Method for Obtaining Location Information for Emergency Services in Wireless Multimedia Networks
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Abstract
A method and apparatus for obtaining end-user location information for emergency services within a multimedia network is presented. The multimedia network may include a network implementing the Session Initiation Protocol, H.323, etc. In one embodiment, a Location Application Server (LAS) in the multimedia network and an interface between the LAS and a gateway mobile location center (GMLC) is defined.
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Citations
40 Claims
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1-20. -20. (canceled)
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21. A method of obtaining location information of user equipment (UE) for emergency services, comprising:
by a first server; receiving a first request message from a call session server, wherein the first request message is responsive to an emergency request message from the UE; causing, in response to the receiving the first request message, a location notification message to be transmitted to the UE; receiving location information of the UE, contingent on a location notification response being transmitted by the UE; and transmitting a second request message to the call session server in response to the receiving the location information of the UE, wherein the second request message comprises the location information of the UE, and wherein the call session server is configured to send a message requesting emergency services for the UE in response to the second request message, wherein the message requesting emergency services comprises the location information. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
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29. A method of obtaining location information of user equipment (UE) for emergency services, comprising:
by the UE; transmitting an emergency request message, wherein said transmitting of the emergency request message by the UE causes a first request message to be received by a first server; receiving a location notification message, wherein the location notification message is responsive to the first request message; transmitting a location notification response, wherein location information of the UE is provided to the first server in response to the location notification response, wherein a second request message is transmitted by the first server to a call session server in response to the first server receiving the location information of the UE, wherein the second request message comprises the location information of the UE, and wherein a message requesting emergency services for the UE is sent by the call session server in response to the second request message, wherein the message requesting emergency services comprises the location information of the UE. - View Dependent Claims (30, 31, 32, 33, 34)
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35. A user equipment (UE) device, comprising:
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an antenna configured to transmit and receive communications; and a processor coupled to the antenna, the processor configured to; transmit, via the antenna, an emergency request message, wherein said transmitting of the emergency request message causes a first request message to be received by a first server; receive, via the antenna, a location notification message, wherein the location notification message is responsive to the first request message; transmit, via the antenna, a location notification response, wherein location information of the UE is provided to the first server in response to the location notification response, wherein a second request message is transmitted by the first server to a call session server in response to the first server receiving the location information of the UE, wherein the second request message comprises the location information of the UE, and wherein a message requesting emergency services for the UE is sent by the call session server in response to the second request message, wherein the message requesting emergency services comprises the location information of the UE. - View Dependent Claims (36, 37, 38, 39, 40)
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Specification