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How Two Teenagers Inspired Call Waiting

1m 13s

Did you know that a common family frustration led to one of the biggest changes in telecommunications history? Engineer Sam Kandel, who worked at Bell Labs in Columbus, solved a problem right in his own home with the invention of call waiting. When Sam couldn't call his family because his two teenage sons were constantly tying up the line, his wife, Bella, challenged him to "fix this problem."

Aired: 09/30/25
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