Patent ID: 8625580

Claim:
A server comprising: a network interface configured to communicatively couple the server with a network; and voice over Internet protocol (VoIP) circuitry coupled with the network interface and configured to: receive an access request from a VoIP server via the network interface, the access request including an expires-time value and a security context; authenticate, based on the security context, a voice-services session for a mobile subscriber that is provided broadband wireless radio access through an access services network; and generate a plurality of session identifiers based on an authentication of the voice-services session, wherein individual session identifiers indicate an enabled status of individual call types for the mobile subscriber station and the plurality of session identifiers include a bit that corresponds to each of a plurality of call types that include an emergency call type, a free call out type, a free call in type, a non-free call out type, and a non-free call in type.