SMS OTP Recovery System

I need an SMS-based OTP recovery solution for our website. The recovery process should use basic 6-digit codes.

Requirements:
- Users should be able to recover their OTP via SMS.
- Integration with our existing website infrastructure.
- Ensure the process is user-friendly and secure.

Ideal Skills & Experience:
- Experience in implementing SMS OTP systems.
- Strong knowledge of website security protocols.
- Background in web development and SMS gateway integration.