ÖNORM EN 301366 V 1.1.2:1999-08
Действует
Universal Personal Telecommunication (UPT) - UPT phase 2 - Functional specification of the interface of a UPT Integrated Circuit Card (ICC) and Card Accepting Devices (CADs) - UPT card accepting Dual Tone Multiple Frequency (DTMF) device - Conformance test specification
