Terms and definitions in messaging

Multichannel messaging service is based on a variety of telecommunication and Internet technologies. In the description of services, we often use abbreviations that may not always be known to you. Here we have compiled a glossary of terms and definitions used in the industry.


P2A SMS stands for Person to Application SMS, and usually implies MO Messages flowing from an End User to an application. It is the corollary of A2P SMS.