T1O1U1C3H4T1O1N1E1S1
15 points
TOUCHTONES is validvalid
TOUCHTONE, a trademark [n]
TOUCHTONE, (tradename) a phone having a push-button rather than a dial [n]
TOUCHTONE, a trademark [n]
TOUCHTONE, (tradename) a phone having a push-button rather than a dial [n]