It's no accident that Apple chose a yellow icon for its walkie-talkie feature. I dug out my old (2002ish) Nextel with PTT (push to talk). It was all the rage back then... :
Motorola i560 Rugged Nextel Phone Announced - ecoustics.com
Walkie-Talkie Mobile Phones
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Walkie talkie Nextel cellphones... there's an entire generation that doesn't know about these lol : r/nostalgia
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Just chirp me." | Boost mobile, Walkie talkie, Best mobile phone
TOAN MAGAZINE — Throwback Thursday: Nextel/Boost Mobile Chirp...
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Walkie Talkie / Cell Phone : r/nostalgia
Two new cellular phones built for abuse
