My work is as follows:
1) Implement SMS OTP as a registration method and as an alternative to the existing login / email / password method on a Spring server (MITREID)
OTP SMS authentication already exists. The registration should be added.
It is the following plugin that makes the authent sms otp
(Https://[login to view URL])
2) implement a different SMS sending API than Twilio. TWilio being expensive to my destinations
3) build a report of events to the customer
The opensource database of the server used is here ([login to view URL]).
The work is not very long
I think it's a day of work