A voice messaging system with non-user outcalling and auto-provisioning capabilities including an automatic means for configuring a telephone number to become a subscriber to a voice messaging service. The voice messaging system of the present invention facilitates the process of acquiring a voice mailbox by providing non-user outcalling and auto-provisioning. A voice messaging service user will be able to send a non-user voice messages using the voice messaging service, and, the non-user recipient desiring to subscribe to voice mailbox service can acquire a voice mailbox simply by responding to interactive queries after the reception of the voice message. The system also automatically establishes call forwarding at the appropriate central office switch and automatically creates a voice mailbox at the voice messaging system if a non-user recipient desires to become a subscriber to the voice messaging system.