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Alexander Graham created the telephone. He was able to make the first phone call to his assistant Tomas Watson. -
The transcontinental telephone line linked the Atlantic seaboard with the West Coast and is often referred to as the New York-San Francisco line. This allowed people to communicate across the U.S -
ATT and Southwestern Bell launched the first commercial service for private users, using heavy equipment installed in vehicles. This allowed people to communicate in cars or while moving. -
Calls were able to be made in European countries, then eventually the rest of the world. This made so people all over the world could communicate with each other.
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Intel corporation developed the first microprocessor, 4004. This makes telephones and switching systems smaller and faster to use -
Smartphones were introduced with the IBM Simon Personal Communicator in 1992, released in 1994, combining phone calls with PDA features like email and a touchscreen, though they didn't become mainstream until the mid-2000s
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Digital cordless phones first emerged in the mid-1990s with the release of 900 MHz models offering clearer sound and better security. -
The first iPhone was released combining an iPod, phone, and internet communicator with a revolutionary multi-touch screen, changing the smartphone industry forever. -
Smartphones became the standard globally around surpassing feature phones in sales and becoming the dominant device, fueled by the iPhone's 2007 launch and the growth of app ecosystems, cheaper models, and faster internet, making them ubiquitous for internet, camera, and communication needs by the mid-2010s
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replacing analog lines with digital solution ensuring proper configuration for legacy systems via gateways or adapters to support modern features like AI, enhanced security, and cost savings through subscription models