There were no telephone ringers at the very start; callers would get the attention of those they were calling by yelling loudly (often, “ahoy!”) into the receiver until someone on the other end noticed. There were no hang-up hooks, no pay phones, no phone booths, no operator headsets. The batteries that powered the phones worked poorly. Proper cables didn’t exist, and neither did switchboards, dials, or buttons. Dial tones and busy signals had to be invented. Lines strung between poles often didn’t work, or worked poorly; lines that were put underground, a necessity in urban centers, had even
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