P2A (Person-2-Application) Messaging
P2A (person-to-application) SMS uses SMS to communicate with a user on behalf of an app. It is often referred to as Mobile Originated (MO).
P2A messaging is mostly used for different TV voting campaigns, competitions, SMS lottery campaigns, subscriptions etc. With person-to-application SMS messaging, a person can easily intercoonect with brands, companies and service providers with text messaging giving a pervasive, fast and secure route for client-business communications.