| 摘要 |
Methods and apparatus for authorizing an access terminal (AT) requesting a service provided by an entity in an access network are disclosed. After being authorized for a communication session with the access network, the AT addresses an inquiry to a domain name server (DNS) for a contact of a service selector (SS) administering the desired service. A controller in the access network (BSC/PCF) routs the inquiry to and returns a response from the DNS. The AT then addresses a service query containing the AT's capabilities to the SS. The BSC/PCF directs attributes allowing the SS to authorize the service. Upon the SS's acknowledgement of the attributes, the BSC/PCF forwards to the SS the service query. Upon authorization, the SS notifies the BSC/PCF, and if the AT is authorized, selects in accordance with the AT's capabilities an appropriate service provider (SP) to provide the service.
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