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the first phone call
alexander graham bell made the first phone call on march 10, 1876. by the end of 1887 there were 300 telephones in sevice -
manual switching board
in 1878 a manual switching board was made and phones can be connected by one switch -
first lang distance call
the first telephone call from boston to new york. after this first call there were othere from new york to philidelphia (1885) and chicago (1892) -
first automatic dialing system
Almon Strowger , a kansas city undertaker, was tired of waiting on people to switch his calls so he got rid of all the operators and made found a way to call one phone straight to another -
new york to london
there was a connection between ne york and london useing radio waves -
eletric telephone exchanges
electric telephone exchanges were started but perfected in the 1960's with the electronic switching system -
commercial moblie servise
the world's first commercial moblie sevises put inot work. -
communications satilite
the first communications satilite was launched -
then to now
from then to now phones have been upgreaded for human use and need