| 摘要 |
The present invention allows a called party to effectively control a ring-back indicator that is presented to callers for incoming calls. For a given called party, ring-back service rules are created to control selection of a ring-back indicator based on desired ring-back criteria. When a call is being presented to the called party, the ring-back service rules are used to select a ring-back indicator to provide to the caller based on the available ring-back criteria. The ring-back indicator may be selected from available ring-back indicators. Alternatively, selection of the ring-back indicator may involve dynamically creating the ring-back indicator based in part on the ring-back criteria or other information. As the ring-back criteria changes for different calls, the ring-back indicators provided to each call may change.
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