| 摘要 |
PURPOSE: To provide an automatic search service for out-dialing some telephone numbers in the effort of contacting an individual. CONSTITUTION: Plural out-dialing operations are simultaneously started to the set telephone numbers, a call originating user is informed of the success or failure of the out-dialing operation, and in the case that a subscriber called by the call originating user is contacted, the two persons are connected and all the other out-dialing operations are ended. In the case that all the out-dialing operations to one telephone number set fail, the next set of the turn is used in one or more new out-dialing operations.
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