Bulk sms are used to send sms to a large volume of number in a couple of seconds. These are considered as the cheapest method for providing information and promoting business or brand. It creates new customer for your company, provides a cost effective interaction with your clients..
Transactional sms are also known as informative sms. This service can be used by Organizations to communicate with their customers, send notifications and for internal communication.
Promotional Sms are also called marketing sms. SMS containing advertisement that explains about the product/service information sent to thousands of people. It can be send between 9am to 9pm.