Passwordless auth: Custom sms provider with twilio verify

More then a year we used passwordless auth with twilio, everything was good. But now because of this https://support.twilio.com/hc/en-us/articles/1260800720410-What-is-A2P-10DLC- it stopped working, so we want to move to the twilio verify. From the docs it’s not very clear how to do Set Up Custom SMS Gateway for Passwordless Connections

Also I saw this and if this answer still true (no Basic auth support from the auth0) Custom sms provider then I guess it’s not possible to do using custom sms provider. Is there any suggestions or options?

Thanks.