The "telephone" which was invented by Alexander Graham Bell in 1876, was the first mode of communication where in a human being can communicate with other human beings around the world.

The first "telephone" had two devices, one for speaking and one for listening. The equipment should be installed in one place with all the necessary connections like telephone wires, poles. As the necessities of human beings increased so as the technology of telephone improved. The telephone then was the model for radio, television invention. All these necessary communication devices were invented to make the activities of human beings easier.

As the technology transformed and improved so as the equipment of telephones. The "giant" equipment of telephone was transformed into a small "electronic chip. This "chip" has all the necessary technology in it which enables the human beings to listen and talk with the same device. The communication device which has this small chip embedded in it is called a "cell phone".

Cell phone is the modern trend among the human beings, they can carry along with them; communicate with other human beings around the world. The technology improves on a daily basis, so as the cell phones are equipped with new technologies like " infra red "," blue tooth , text messaging , Internet access , video recorder "," camera "," gsm ", to name a few.

Cell phone technology is going to improve rapidly and so cell phones will be equipped with new facilities.