Transactional Bulk SMS also called as SMS (Short Messaging Service) which has the additional features like Identity on who is Sending (Six Character SENDER ID), 24/7 x 365 Days of Delivery. Most advantages of Transactional SMS is, it can deliver on DND & Non-DND Numbers both.
There may be the delay or ban on Promotional Bulk SMS but never be delay or ban on Transactional Bulk SMS because it's playing crucial role on 90% of Indian Business.
Even forget or testing purpose also you can send any promotional sms on Transactional Route it becomes legal complaint as per Govt. Rule (TRAI).
The customer has to sign the agreement stating that this Transactional Bulk SMS Service can be ONLY used to send the communication to their customer and NOT for any promotional activity. Any customer who is availing for this Transactional Bulk SMS they have to authenticate their messages with us before sending the message on this Transactional Route that the messages are nature of transaction and it doesn?t contain any Promotional Content or Keywords or etc.. This process is called as Template Approvals.
The customer has to share with us one sample registration copy like their customers are subscribing with them to avail this service.