While SMS reached its popularity as a Person-to-Person messaging, another type of SMS is growing fast, Application-to-Person (A2P) messaging. A2P is a type of SMS sent from a subscriber to an application or sent from an application to a subscriber. It is commonly used by financial institutions, airlines, hotel booking sites, social networks and other organizations sending SMS from their systems to their customers.According to recent research (source: Portio Research) A2P traffic is currently growing faster than P2P messaging traffic.