A2P - application to person. Messages sent from applications to c level executive list people are called "A2P". Bulk SMS messaging services are typically considered A2P.
P2P - person to person. These are services that people use to communicate with each other. For example, when one person writes an SMS text message to another person, they are sending a P2P message.
M2M - machine to machine. This term is used to refer to solutions that communicate machines with machines. This term is most commonly used within the Internet of Things lexicon.
IoT - internet of things . The Internet of Things refers to the digital interconnection of everyday objects to the Internet. It is also called the "Internet of Everything" or "Internet of Everything".
