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> Fine, whatever, their house their rules When they are the de facto form of communication for a significant percentage of the population, it starts to go from "their rules" territory to "society's rules". Can you imagine being cut off from the phone system 40 years ago because you were selling answering machines? |
Yes, actually. It was illegal to connect any equipment beside Bell's equipment to the US telephone system. Not only would you be disconnected and possibly fined by your phone provider for doing so, but American law also made it illegal to sell such devices as well for use on the phone network. If you wanted to use an answering machine not sold by Bell, you had to get it custom rewired by Bell and pay a monthly rental fee for the privilege:
> AT&T, citing the Communications Act of 1934, which stated in part that the company had the right to make changes and dictate "the classifications, practices, and regulations affecting such charges," claimed the right to "forbid attachment to the telephone of any device 'not furnished by the telephone company.'"
> Initially, the Federal Communications Commission (FCC) ruled in AT&T's favor. It found that the device was a "foreign attachment" subject to AT&T control and that unrestricted use of the device could, in the commission's opinion, result in a general deterioration of the quality of telephone service.
It was challenged and the seller of the amplifier device ultimately won in federal court: https://en.wikipedia.org/wiki/Hush-A-Phone_Corp._v._United_S... (Even then, you couldn't actually electronically connect a device, you could only acoustically couple it. Direct connection of modems wouldn't be legal until the 1980s.)