Definition of wireless telephony in English:
wireless telephony
noun ˌwʌɪələs tɪˈlɛf(ə)niˌwʌɪələs tɪˈlɛfəni
historical Telephony in which the signal is transmitted by radio waves rather than over wires; = "radio-telephony".
Origin
Late 19th century; earliest use found in Naugatuck (Connecticut) Daily News. From wireless + telephony.