SMART CALL 1 MODEM (TOTAL BUDGETING DEVICE FOR MULTIPLE END USERS WITH MODEM AND SECURITY PIN METHOD

摘要

A telecommunication total budgeting unit that monitors, limits, and blocks, the total time and/or total cost of all outbound toll calls, custome call features, and all toll rate variances, taxes, and any addition fees imposed by a telephone service provider ( see the figure on page 21 of the drawing).