PURPOSE: To provide the automatic answering service control system in which the automatic answering registration is immediately implemented for the automatic answering registration and its revision or the like and the registration is released simultaneously with an output of release command with respect to the automatic answering service control system in which an exchange and a voice storage device connecting to the exchange generate an automatic answering telephone function through cooperation.

CONSTITUTION: A reply in common to the system is always provided as a backup, and even in the case of registration, revision, release, for example, when the automatic answering reply service is started so that the service is improved and high speed changeover is implemented, and when a personal automatic answering reply message is not stored in a 1st storage means 1, a control means 3 commands a message in common to the system stored by the 2nd storage means 2.