To provide a technique for managing a communication request from a customer to a customer contact counter in an in-charge area of a store etc., wherein customer information obtained by responding the communication request from the customer is shared among in-charge areas, and the labor to respond customers and manage information in each in-charge area is reduced.

An exchange system comprises a store information reception unit 101 which receives store identification specifying a store as an object of a communication request together with the communication request, a communication content reception unit 105 which receives input of communication content information corresponding to the communication request, a customer information storage unit 107 which stores input communication content information by stores based on received store identification information, and an information output unit 121 which outputs the stored communication content information to store telephone sets installed by the stores.