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.

Opt-in

The process used for verifying a mobile subscriber’s intention, and for gaining the subscriber’s explicit agreement to participate in a mobile program/initiative, e.g. to receive any messages.