Few Question before starting an instance

[vibhi]

@daniele_athome

I’m not sure I’m following… that is what we currently use: send a one-time code to the user via SMS and fallback to voice call if the SMS doesn’t arrive.

You said you use JMPchat for sending sms and use Nexmo as Fallback option.
i was asking How to Send Text Messages With PHP | Envato Tuts+ for something like this as its free.