The history of telephones dates back to the 1870s. Alexander Graham Bell, a businessman and inventor, was the first to patent the telephone, and Elisha Gray registered a similar patent hours later. Initially, the telephone was used only by wealthy individuals or large companies for personal communications, but in later years, the telephone became available to all. Although it was no longer a major novelty, the telephone was still considered a luxury.
While analog technology is more prevalent today, rotary phones used a string to mimic the sound of voice. This method of dialing was widely used until the 1960s, when pushbutton telephones were developed. While there is a difference between the two technologies, many of them share a similar design and functionality. During the 19th century, telephones used rotary technology. The technology used by the phones is now called dual-tone multi-frequency signaling.
The first telephone was invented by Alexander Graham Bell in 1876. Bell, who was an engineer at Motorola, conceived the device as a wireless device. It was a distant relative of the mobile phone that we use today. In 1888, Heinrich Hertz produced the first electromagnetic radio waves. In 1894, Sir Oliver Lodge sent the first message with radio waves. The technology has been used ever since.
Cellphones use the same technology as landlines, but are much more versatile. Old cellphones rely on a decent signal from a cell phone network to operate, whereas modern smartphones can hop between different networks. Modern smartphones use a wireless network instead of a wire network, but both transmit signals through fibers. Before the advent of telephones, people communicated over long distances using telegraph machines. Their messages were only dots and dashes.