-
The first telephone device
useful was invented and
patented by Alexander
Graham Bell, in the United States -
From that moment on
forward began the
commercial development of
invention. The first
telephone company "Bell
Telephone Company "was
founded -
With the incorporation
vertiginous of thousands of
subscribers, they were growing
the systems until becoming
huge -
Over time, the centers were transformed into digital computers and could offer a varied catalog of added services, such as example:
Notice that the user we dial (and we found busy) and I empty your line. Automatic dialing to the last number that we dialed several conference calls users at the same time -
For the maximum user comfort they were developing countless versions of wireless telephones
-
Thus, with the development of technologies related to electronics and telecommunications, was also developing the field of mobile telephony
-
2000 kept moving forward, more small, longer range, with camera, radio, music, applications
• 2008- 2010 Start of cell phones smart, tactile, connected to data, for chat, mail, video, tv, online social networks.
