An electronic notification system that allows primarily for patrons of a business, such as a restaurant or other establishment, to use his or her telephone or other device having internet access to make a reservation, see wait times, make special requests and receive a telephone call once a table is ready or other service is available. The system also provides information to business establishments on clients including, telephone number, preferences and the like. The system can also be broadly used by establishments who have established a customer database of telephone numbers to wage mass telephone marketing campaigns at once to notify patrons of upcoming events and offers. To business establishment users, reports can be made on marketing data and other information collected during use.