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What Does OTP SMS Service Mean? An OTP (One-Time Password) SMS service is a security feature that sends a unique, time-sensitive password to a user's mobile number. This password is valid for a short time—usually 30 seconds to 5 minutes—and is used f...

What Exactly Are RCS Messages? RCS (Rich Communication Services) is the next generation of SMS. It’s designed to replace standard text messaging with a more powerful messaging protocol that supports rich media, read receipts, typing indicators, high-...
