Assigning a serving-CSCF during access authentication
First Claim
Patent Images
1. A method for assigning a serving-call session control function (serving-CSCF) to an access terminal, comprising:
- receiving an access authorization request corresponding to the access terminal;
authorizing the access terminal;
assigning, by an authentication server, a serving-CSCF to the access terminal during access authorization and prior to receiving a registration request initiating registration, the serving-CSCF having a serving-CSCF address, the assigning performed independently of an interrogating-CSCF; and
sending an access authorization response comprising the serving-CSCF address to the access terminal during access authorization, the serving-CSCF address included in the registration request received during registration, the registration initiated by the access terminal after the access authorization.
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Abstract
Assigning a serving-call session control function (serving-CSCF) to an access terminal includes receiving an access authorization request corresponding to the access terminal. The access terminal is authorized, and a serving-CSCF is assigned to the access terminal. An access authorization response comprising the serving-CSCF address is sent.
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Citations
25 Claims
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1. A method for assigning a serving-call session control function (serving-CSCF) to an access terminal, comprising:
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receiving an access authorization request corresponding to the access terminal; authorizing the access terminal; assigning, by an authentication server, a serving-CSCF to the access terminal during access authorization and prior to receiving a registration request initiating registration, the serving-CSCF having a serving-CSCF address, the assigning performed independently of an interrogating-CSCF; and sending an access authorization response comprising the serving-CSCF address to the access terminal during access authorization, the serving-CSCF address included in the registration request received during registration, the registration initiated by the access terminal after the access authorization. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An authentication server for assigning a serving-call session control function (serving-CSCF) to an access terminal, comprising:
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a memory operable to store information about the access terminal; and a processor in communication with the memory and operable to; receive an access authorization request corresponding to the access terminal; authorize the access terminal; assign a serving-CSCF to the access terminal during access authorization and prior to receiving a registration request initiating registration, the serving-CSCF having a serving-CSCF address, the assigning performed independently of an interrogating-CSCF; and send an access authorization response comprising the serving-CSCF address to the access terminal during access authorization, the serving-CSCF address included in the registration request received during registration, the registration initiated by the access terminal after the access authorization. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A non-transitory computer-readable storage medium storing logic for assigning a serving-call session control function (serving-CSCF) to an access terminal, the logic operable to:
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receive an access authorization request corresponding to the access terminal; authorize the access terminal; assign, by an authentication server, a serving-CSCF to the access terminal during access authorization and prior to receiving a registration request initiating registration, the serving-CSCF having a serving-CSCF address, the assigning performed independently of an interrogating-CSCF; and send an access authorization response comprising the serving-CSCF address to the access terminal during access authorization, the serving-CSCF address included in the registration request received during registration, the registration initiated by the access terminal after the access authorization. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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25. A system for assigning a serving-call session control function (serving-CSCF) to an access terminal, comprising:
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means for receiving an access authorization request corresponding to the access terminal; means for authorizing the access terminal; means for assigning, by an authentication server, a serving-CSCF to the access terminal during access authorization and prior to receiving a registration request initiating registration, the serving-CSCF having a serving-CSCF address, the assigning performed independently of an interrogating-CSCF; and means for sending an access authorization response comprising the serving-CSCF address to the access terminal during access authorization, the serving-CSCF address included in the registration request received during registration, the registration initiated by the access terminal after the access authorization.
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Specification