Worst case making some kind of "delay" on allowing a Google Voice or other VoIP-based phone number be accepted like you have to set it and not change it for 6 months.
I haven't had a cell phone with a phone number in a decade-plus since getting a Google Voice back when it was still called Grand Central. Haven't changed that number in that entire time, my cell phone just gets data-only SIM plans since I only use it for light browsing and GPS away from home.
Worst case making some kind of "delay" on allowing a Google Voice or other VoIP-based phone number be accepted like you have to set it and not change it for 6 months.
I haven't had a cell phone with a phone number in a decade-plus since getting a Google Voice back when it was still called Grand Central. Haven't changed that number in that entire time, my cell phone just gets data-only SIM plans since I only use it for light browsing and GPS away from home.