Twilio

This is an SMS gateway plugin to integrate Twilio SMS gateway with Moodle.
Introduction
This is an SMS gateway plugin to integrate Twilio SMS gateway with Moodle.
Features
Integrate Twilio SMS Gateway.
Send SMS to a specific phone number.
Supported Moodle Versions
Moodle 4.5 and above
Installation
Extract the zip file and copy to /sms/gateway folder or Install it from Moodle’s install plugin admin feature.
How to use
Register for Twilio  account.
Buy a Twilio Phone number.
Generate/Copy Test/Live Credentials (Account SID and Auth Token)  from here
Create New SMS Gateway from Site Administration –> Plugins –> SMS –> Manage SMS Gateways
Enable SMS mobile phone MFA from Admin Tools and configure twilio as SMS gateway from its settings.
Create a user account or use admin account.
Login with user/admin credentials
Go to Profile–> Preferences–> Multi-factor authentication preferences (example link  http://www.yourdomain.com/admin/tool/mfa/user_preferences.php ) and enter your mobile number with country code to register for MFA
User will receive an SMS with 6-digit code.