A simple explanation would be: A2P SMS is a service that enables sending a large number of SMS messages to a broad audience - at once.
This is a super powerful service to use in your business to deliver
SMS messages safely, quickly and directly to your customers worldwide.
If you’re running competitions, marketing campaigns, notifications to
employees, promotions or events, Bulk mass messaging is the best
platform to use for sending out a high volume of messages in one go. Since messages are bought in bulk, they are much cheaper than regular
text messages used on an individual mobile phone for personal
communication with other people. In the same time, A2P SMS is cheaper and significantly more effective than e-mail and other mass marketing.