How do Send promotional SMS to DND Numbers

https://telcob.com/how-do-send-promotional-sms-to-dnd-numbers-in-india/Promotional SMS is one of the types of SMS. Promotional SMS can be defined as the Small plane text message which is sent to the customers for the advertising or promoting new launching of any product and services known as the Promotional SMS/Message. Therefore, Nowadays Promotional SMS is used as the primary way of making brand awareness.