Bulk SMS Software generally used for website or apps otp verification or any kind of auto notification. If you have any website or ecommerce and if you want to verify customer number, you can use otp SMS so that you can verify his or her number. Beside that different type of apps using otp sms for customer number verification. Even SMS need for different type of notification. If any bank want to send SMS when their client deposit or width draw any amount from bank, he/she will get a sms notification automatically and instantly. If any employee enter the office, boss can get a notification by SMS. In this way different kind of software can use SMS for regular transactional SMS automatically.