Providing a set of services to a multi-mode mobile station that is able to operate over packet-switched and circuit-switched access networks

A node comprising:

• a processor;
• and
• a module executable on the processor to:
• perform a function of an availability location register, comprising:
• store content related to a multi-mode mobile station;
• receive availability updates for the multi-mode mobile station, wherein the availability updates comprise if the multi-mode mobile station is reachable on a pocket-switched access network or a circuit-switched access network;
• and
• transmit content related to the multi-mode station to one or more other network nodes, wherein, based on content of the availability location register, a determination of which of a circuit-switched access network and a pocket-switched access network to use for delivery of a call service to a multi-mode mobile station, and wherein availability content related to the multi-mode station on the packet switched network is passed through a home subscriber server to the availability location register.

An article comprising at least one non-transitory storage medium containing instructions to enable a set of services to be provided from a multimedia network to a multi-mode mobile station that is able to operate over a packet-switched access network and a circuit-switched access network, the instructions when executed causing a node in the multimedia network to:

• store content related to a multi-mode mobile station;
• receive availability updates for the multi-mode mobile station, wherein the availability updates comprise if the multi-mode mobile station is reachable on a packet-switched access network or a circuit-switched access network;
• and
• transmit content related to the multi-mode mobile station to one or more other network nodes, wherein, based on content of an availability location register, a determination of which of the circuit-switched access network and packet-switched access network to use for delivering the services to the multi-mode mobile station, and wherein availability content related to the multi-mode station on the packet switched network is passed through a home subsciber sever to the availability location register.