What do P2P and A2P stand for?


Recently, not only in business but also among family and friends, '3-letter-acronyms' such as B2B or E2B, that consist of 2 x alphabet letters sandwiches a numeric number 2 (refers to 'to') are often used.

That said, do you know what do P2P and A2P stand for in the mobile industry?

P2P = Person-to-person A2P = Application-to-person

Yes, they show the difference in the method how SMS is sent to the P (person)'s mobile phones. P2P, of course, means from person to person, using their mobile own phone. On the other hand, A2P is also called as Business SMS or Professional SMS, being utilized in various ways, such as a communication method with customers, as an authentication method or user confirmation on online services, as well as an emergency notification method. One thing we can say is, the A2P-SMSis originated from a (business) application.

Within those places where A2P-SMS can show-off its skills, the typical use is 2-factor-authentication. Auto-booking systems, Upgrade confirmation, Online Travel Booking are actively using A2P-SMS. Many businesses of various industries feels A2P-SMS is attractive for the convenience, effectiveness and better communication.

The history of A2P-SMS at financial websites can go back 15 years. They use A2P-SMS on Log-in, Authentication at Sign-up, Fraud prevention, as well as the balance notification and withdrawal confirmation, plus the pre-notice of coming up a direct debit.

Such as Xoxzo, SMS API is providing a good role on the technology side of these services. SMS APIs can be accessed via the web or being installed in the business applications by developers as a part of the solution.

Now, what kind of A2P-SMS did you receive recently?

Aiko Yokoyama

Help Desk / Project Manager

Joined January 2014. Experienced as a clerk in Foreign Trading company, started and maintained an online supplement store. Lived in overseas for 15 years. Looking forward to communicating our customers with the broad view based on those experience.