June 20, 2016

What is the difference between P2P SMS and A2P SMS?

When an SMS message exchanges between two mobile subscribers (two SIM cards) we call it P2P SMS (Person-to-Person SMS) and when an SMS message sends from an application to a mobile subscriber we call it A2P SMS (Application-to-Person SMS). A2P communication is initiated from a business application (usually a web service), and not an individual SIM card and that’s why some people call it Enterprise SMS or Professional SMS too. Sometimes these type of messages send from a person to an application to reply to a received message for voting, participating in a survey, etc. It’s known as P2A SMS (Person-to-Application SMS).

People are using their smartphones more and more to send and receive messages to/from friends, colleagues and groups. Thus despite the fact of increasing the mobile subscribers worldwide, it is not surprising that P2P SMS revenue is eroding by so called OTT (Over The Top) messaging apps like WhatsApp, Skype, Line and Telegram.

blog-A2P(mobile subscribers)
Mobile-cellular Subscriptions – Source:

In contrast, communications between Applications and Persons like the alerts and notifications by Banks, Airlines, and Social Networks increasing dramatically.

P2P and A2P Traffic – Source:
Portio Research and Strike Iron

P2P and A2P Revenue – Source:
Portio Research and Strike Iron


Well, it seems new SMS market needs more attention and mobile operators have to offer new services not only to offer SMS as a part of their service but also to cover the highest levels of trust, security and delivery for A2P/P2A messages to turn it to into a new revenue stream.

Cellusys SMS Defence is the right solution to help mobile operators to use the maximum capacity of their network. It is a precise product and it comes with our partner’s connections to bring more traffic and revenue to your network.

Categorised in:

June 20, 2016