| 摘要 |
<p>A catalog ordering system which is interfaced with the switched public network telephone system (10, 11, 64) is described. A subscriber (14) selects a specific item by placing a telephone call to a specified telephone number identifying the vendor (60) in question. Once connected, the subscriber (14) inputs a digital code specifying the item in question. The called and originating number are identified together with the inputted code, and combined to form a digital word. The digital word is then transmitted to the vendor (60) in question.</p> |
