Asked by Anonymous

why was telephone needed?
Answered by Ms. Sue
What is DDP?

Why was what telephone needed when?

Please clarify.
Answered by Anonymous
DDP means: Design/Draw Production.
and i want it cause i am many a project in it. i mean to ask why was telephone needed when it first was invented.thanks
Answered by Ms. Sue
As with many other inventions, the telephone was invented because people had developed the technology to carry voices over wires. Obviously, it was useful for talking with people who were not in the same room or building.