3 ms·
> It does not work universally. It won't take long to find a bank / FAANG / service provider that refuses to accept anything but a bona fide mobile SIM talking
by ridgered4 4y ago
> It does not work universally. It won't take long to find a bank / FAANG / service provider that refuses to accept anything but a bona fide mobile SIM talking to a base station.
How does a SMS sender know this? Is there some mechanism in SMS to only deliver if by certain criteria?
- copenseethe 4y ago
- orangepurple 4y agoYou can use a handset with its SIM card on WiFi without a tower ever again if you provision the SIM card on its home network once. Nobody is suggesting using anything but a handset.
- copenseethe 4y ago
- rsync 4y ago"Yes. There is a database they query to see if it’s tied to a handset, or just a virtual number." Or they do an API lookup and query the type in realtime. Elsewhere in this thread I posted the syntax for performing this lookup using the twilio API ...