SMS Fallback addresses OTP delivery failures caused by WhatsApp downtime or internet issues. It ensures the OTP reaches users through SMS without changing the code. In India, telecom rules and connectivity gaps make fallback essential for secure verification. Providers like anantya.ai design systems that combine WhatsApp and SMS efficiently. With SMS Fallback in place, organizations a... https://anantya.ai/blog/sms-fallback-for-whatsapp-otp-india/