On April 3, 1973 Martin Cooper of Motorola made the first ever call on the first ever truly portable telephone. But it wasn't until ten years later, in 1983, that Motorola sold its cellular phones ...
First Phone in the World: The first phone in the world was invented by Alexander Graham Bell in 1876. This groundbreaking invention allowed human voice to travel through electrical signals for the ...
My interview with William Caughlin, the head of AT&T Archives and History Center, started with an ironic twist. Our Microsoft Teams video call failed, so we ended up talking over the "regular" phone.
一些您可能无法访问的结果已被隐去。
显示无法访问的结果