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The telephone
The modern telephone is the result of work of many people. Alexander Graham Bell was, however, the first to patent the telephone, as an "apparatus for transmitting vocal or other sounds telegraphically". Bell has most often been credited as the inventor of the first practical telephone. -
The mobile phone
The mobile phone is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area. The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which provides access to the public switched telephone network -
The touchscreen phone
The IBM Simon was the first phone with a touchscreen in 1992. It's also referred as the first “smartphone,” though the term was not yet coined. -
The I phone
On June 29, 2007, the first iPhone was released. On June 11, 2007, Apple announced at the Apple's Worldwide Developers Conference that the iPhone would support third party applications using the Safari engine. -
The current time phone
The current time phone are now revolutionary and are filled so much program that you could create a website with a phone.
