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.
By the way, you can create account and send SMS to your customers via Dashboard, plugin or API integration.


User Data Header is a binary sequence that may be present at the start of a short message in SMS. It doesn’t contain text, but specifies how the message should be processed. It is a part of the SMS which tells the receiving device what type of message being sent. This is done to ensure correct SMS message delivery.