| 摘要 |
A Service Interaction Manager in a Packet Based Multimedia System (PBMS) for initiating a session with a terminal utilizing a temporary virtual subscription when the terminal does not have a subscription with the PBMS. A table stores temporary virtual subscriptions. A Coupling Function connected with a Network Access Gateway and the table utilizes the table to select an available virtual subscription and to store in the table, a temporary association between an identifier of the terminal and the available virtual subscription. A Correlation Function connected with a requested service, the table, and a PBMS access gateway receives from the PBMS access gateway, a session start request message with the terminal identifier, and utilizes the table to correlate the session start request message with the available virtual subscription based on the terminal identifier. |
