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*[[telephone]]s
*[[telephone]]s
*[[cell phone]]s
*[[cell phone]]s
*voice over [[internet]] (VoIP)
*[[voice over internet]] (VoIP)
*[[internet]]
*[[internet]]
*[[radio]]
*[[radio]]
Answer: no, because it did not use an electronic technology.
Answer: no, because it did not use an electronic technology.
[[category:telecommunications]]
[[category:telecommunications]]
[[Category:Amateur Radio]]