SMS Fallback provides a dependable backup for OTP delivery when WhatsApp cannot reach the user. In India, OTP failures often occur due to internet issues or DLT restrictions. Using SMS Fallback between WhatsApp and SMS creates a balanced and reliable verification flow. Solutions from anantya.ai focus on smart routing where SMS Fallback reduces failed authentications, improves delivery... https://anantya.ai/blog/sms-fallback-for-whatsapp-otp-india/