Mature Technology- Telephone By Auts_922 1667 Acoustic String Telephone Mar 10, 1876 Telephone Created 1877 First Commercial Telephone Nov 29, 1927 First Rotary Dial Telephone 1965 First Cordless Telephone Apr 3, 1973 First Mobile Telephone Mar 9, 1986 First Flip Telephone Mar 9, 1992 First Smart Telephone Jan 9, 2007 First Iphone