http://www.zeropage.de
zeropage is © by the L13-Crew, all part of TUI-NET

DTMF - DoppelTon-MehrFrequenz-Verfahren

... ist das Gegenstück zum alten ImpulsWahlVerfahren (IWV)

123A697 Hz
456B770 Hz
789C852 Hz
*0#D941 Hz
1209 Hz1336 Hz1477 Hz1633 Hz
If you have a problem, call your system-administrator.
If you are the system-administrator, you have a problem. 		last update: 2004-09-25 by Martin 'Funny' Heise