A dual tone multiple frequency signal generating apparatus of the present invention is provided with a high group frequency divider and a low group frequency divider for dividing {TAIL ~ a reference frequency signal} into {HEAD ~ high group frequencies} and low group frequencies, respectively 
A dual tone multiple frequency signal generating apparatus of the present invention is provided with a high group frequency divider and a low group frequency divider for dividing { TAIL ~ a reference frequency signal } into { HEAD ~ high group frequencies } and low group frequencies , respectively
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH