SMS Fallback is the contingency plan that shifts OTP delivery to SMS upon WhatsApp setbacks from network issues or app malfunctions. Essential in India for secure digital transactions amid DLT rules and varying connectivity, it ensures every OTP arrives promptly. This thorough manual discusses comparisons, phishing safeguards, and emerging technologies, illustrating why it's indispens... https://anantya.ai/blog/sms-fallback-for-whatsapp-otp-india/