It can be used to output DTMF and SelCall sequences which are used by telephone systems and radio-telecommunication hardware. The software is written in J2ME so if you have a cell phone that can ...

DTMF was developed to cure these ills and open ... tapped inductors into the circuit to produce the dual-tone audio signal. Other switches controlled power to the oscillator circuit as well ...

Known as the dual-tone multifrequency (DTMF) system, the signal is a combination of the row and column frequencies of the digit key. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other ...

This technology provides an alternative to manual DTMF signal entry, enhancing transaction security and reducing the risk of errors and fraud. iWallet Founder and CEO Jim Kolchin stated ...

and dual-tone multi-frequency (DTMF) signal detection. Unisys chose Radisys’ Engage Media Server for its ability to deliver robust performance in virtualized and cloud-based deployments.