| CPC H04M 3/5183 (2013.01) [H04M 3/432 (2013.01); H04M 2203/2072 (2013.01); H04M 2203/556 (2013.01)] | 16 Claims |

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1. A call subject determination system, comprising at least one processor configured to:
predict, for each of a plurality of call candidates, a talk probability, which is a probability of succeeding in holding a phone talk with the each of the plurality of call candidates;
predict, for each of the plurality of call candidates, an advantageous result to be gained from the phone talk with the each of the plurality of call candidates;
acquire a talker constraint, which is a constraint in terms of capacity of a talker; and
determine, from among the plurality of call candidates, a plurality of call subjects to whom phone calls are to be made so that the talker constraint is satisfied and great advantageous results are gained from the plurality of call subjects on the whole, based on the talk probability and the advantageous result of the each of the plurality of call candidates.
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