Pre-Paid Service : ONETEL Pre-paid Service allows buying your airtime in advance and filling up your account at your convenience, 24-hours a day, and seven days a week. So it\'s a smart way to control your phone call expenses. Subscribers don\'t have to pay any monthly bill, no monthly rental and no security deposit. You can budget your expenses with full control over your bills. Recharge cards are also available at different sales point with the denomination of Tk 50/- , TK 100/- ,Tk.200/- and Tk.400/-.