This article explains how DTMF masking (also known as DTMF suppression or DTMF clamping) works and how a secure payment solution such as CardEasy that uses DTMF masking is the most secure and PCI ...

DTMF masking (also known as DTMF suppression or DTMF clamping) works and how a secure payment solution such as CardEasy that uses DTMF masking is the most secure and PCI compliant way to take payments ...

Hi folks as we know Nokia N900 does not support sending DTMF request to the operator for credit check and other details. Finally there is a way to do so with a click of a widget . The widget used to ...