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Which groundbreaking telephone switch system was developed by Western Electric?
Rotary dial
Touch-tone
No. 1 Electronic Switching System
Candlestick phone
Answer
Western Electric developed the No. 1 Electronic Switching System (ESS), a groundbreaking telephone switch system that replaced the older electromechanical systems. The No. 1 ESS was first installed in 1965 and marked a significant advancement in telephone technology, allowing for more efficient and reliable call routing.
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