Telephone transaction support system

A telephone transaction support system includes a transaction register unit for registering, in a database, contents of a transaction requested by a customer over a telephone, and a deciding unit for deciding on an approval support unit among a plurality of approval support units at random, the approval support unit being used to approve contents of a transaction, whereby the approval support unit decided on at random is used to approve the transaction registered in the database. A telephone transaction support system which supplies to an operator information regarding a transaction in a conversation with a customer over a telephone includes a detecting unit for detecting an actual state of service of an operator dealing with the customer based on the information supplied thereto, and an estimate data generating unit for generating estimate data based on the actual state of the service of the operator detected by the detecting unit.