development of phones By shanepeneda Feb 19, 1880 photo phone was invented Mar 20, 1880 american bell telephone company Apr 1, 1880 first wireless phone call May 14, 1883 adelaid exchange was open Sep 4, 1884 telephone service between new york and new jersey Mar 3, 1885 american telephonr and telagraph company(AT&T) Jan 13, 1887 telephone court cases are conformed Nov 2, 1889 smith patents a telagraph switch Mar 10, 1891 automatic telephone exchange Oct 18, 1892 opening of telephone conpany
