Process for activating a mailbox message notification in a communications terminal

A process for activating a mailbox message notification at a communications terminal of a communications system having at least one electronic mailbox for storing messages which can be issued at the communications terminal, comprising:

• respectively assigning an item of individual identifier information to each message stored in the electronic mailbox;
• transmitting during a connection set-up to the electronic mailbox, an item of identification information to the controller of said electronic mailbox;
• comparing the transmitted identification information by the controller with individual items of identifier information of messages stored in the electronic mailbox;
• activating the mailbox message notification, for acceptance of a respective stored message at an arbitrary point in time, only when correspondence occurs between the transmitted identification information and identification information of a stored message, the correspondence being a result of said comparing;
• and
• transmitting, when there is a lack of correspondence of the transmitted identification information with each of the individual items of identifier information of the stored messages, a message, which indicates that the electronic mailbox has been disabled from receiving messages, from the controller to a subscriber extension which brings about the connection set-up.