An International Standard for digital dial-up communications. Allows for data transmission at 64 or 128 Kbps- Another Service provided by Montal.
A digital service run over telephone lines (dial-up) that typically offers about twice the speed or bandwidth of a modem(128Kbps) or multiples of that. Incurs a charge per minute used.
A digital telephone system capable of joining many 64kbps lines together to provide high bandwidth connectivity.