What was the first telephone made of?

Question

What was the first telephone made of?

Answer 1

Cheese

Answer 2

Here is a picture of it.  It is made of brass and wood and possibly bakelite or some other fiber.

http://www.museumphones.com/liquid1.html

Answer 3

and why did AG Bell make the first phone who could he call???

1796 term to describe a megaphone also a speaking tube.

1667 Robert Hooke or earlier. a string device like the old trick with 2 tin cans.

1876 Alexander Graham Bell took out the first patent.

CG  Page USA 1837

There are about 15 pages in Encyclopaedia Britannica with lots of references,take your pick.