Direct link to the above article: https://www.droid-life.com/2024/12/27/t-mobile-starlink-beta-invites-rolling-out-to-android-and-ios-devices/

And Starlink's Direct to Cell uses standard LTE protocols, so should probably not be an issue?
https://api.starlink.com/public-files/DIRECT_TO_CELL_FIRST_TEXT_UPDATE.pdf

Since our vision is to connect everyone using their existing phones without needing a new
phone, upgrades, or a special app, we decided to use standard LTE/4G protocols. [...] We
fly an advanced LTE modem onboard each satellite that operates like a cell tower in space.