- https://ast-science.com/spacemobile/
- https://lynk.world
The former even inked a partnership with AT&T and Vodafone: https://www.lightreading.com/ossbss/vodafone-atandt-sign-up-...
It looks like they've even successfully tested it: https://techcrunch.com/2021/09/29/lynk-demos-global-satellit...
This would likely be a very high-cost option, but it does seem to be possible. The key is that these satellites are much closer to earth than Iridium, I guess.