Patent ID: 7477732

Claim:
An automatic call back process for automatically calling back registered users called by a calling user in a telecommunications system including at least one telecommunications network or digital data transmission network, and at least one telecommunications terminal for each user adapted to be connected to one of the networks, said process comprising the steps of: introducing a user profile for each registered user in a database, said profile including agenda and filtering data defining time slots of availability, each said time slot being associated with at least one list of parties being authorized or not authorized to call the user during each said time slot, determining and updating an accessibility status for each registered user which specifies at least one terminal associated with the registered user to be accessible or not accessible by a network through the terminal, following a call by a calling user to a called registered user, and determining an availability status of the called registered user according to which the calling user is authorized within the current time slot to have communication with the called registered user, according to the profile data of the called registered user, and according to identification information of the calling user, wherein if the called registered user is not accessible or does not authorize the calling user to have communication with the called registered user during said current time slot, offering to the calling user to be automatically connected to the called registered user as soon as the called registered user is accessible and available for the calling user within the next available time slot of the called registered user according to the agenda data of said called registered user, and, if the called registered user accepts the offer, triggering an automatic call back procedure, and during the automatic call back procedure triggered within said next available time slot of the called registered user and as soon as the called registered user becomes accessible and available for the calling user, calling back the calling user and connecting the calling user with the called registered user.