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My father is in a nursing home. Previously, he was getting telephone service via a Phone Modem Thingie (black box) that had the side effect of adding caller ID to his TV screen. Given his diabilities, this is great for him, because he can navigate the cable box menu to see his caller ID information. He is also extremely limited in the type of phone that he can work, so changing physical phones isn't a legitimate option.
Long story short, his new home won't let him run the cables from the cable jack to his bedside to be able to use the Phone Modem, so he has to use their phone provider. That will likely eat his caller ID information, because it is a different type of account.
We could solve all of this by having him use his phone modem, and having the desktop phone conencted to the phone modem through the air via radio waves. But is there a thing that takes a wired phone connection and makes it wireless? The only such thing I'm aware of is the power line networking stuff, and in a big nursing home full of high-power equipment I don't know how that would work.
TL;DR: Anyone aware of a radio-based wireless transmitter for twisted pair phone wiring?