Why isn't this done?
Why isn't this done?
The transition to IP calling has been happening since 2012 and virtually all modern phones currently support it - no need to put additional restrictions in place for the edge cases where VoLTE et al don't work.
https://www.nanpa.com/reports/npa-reports
I guess IPv4 numbers have a similar number of digits and support a similar range, but attempts to make them location-portable have failed
https://en.wikipedia.org/wiki/Mobile_IP
IPv6 numbers are way too long. I guess you could have something DNS based but why?
bell-cot•4h ago
And (my understanding) either out in the boonies, or when services are running in some degraded modes, that would cut off voice service to non-emergency numbers.