Help center support eXpress

We've collected answers to popular questions to make eXpress easy and convenient to use. Didn't find the answer to your question? Contact our support team.

Updated 8 Oct 2026

About eXpress

eXpress is a communication platform for regular and corporate users. It combines messenger functions, video conferencing, built-in SmartApps web applications, bots, and other tools for communication and collaboration. Corporate licenses provide enhanced security and functionality features.

All installations of eXpress (
RTS
,
Lite
,
CTS
) and non-isolated branded apps based on eXpress (
ETS
,
eCTS
) are united in the common federation.

Need to Get Started Quickly?

Go to the following sections: installation, registration, etc.

Interested in a Detailed Architecture Description and Terminology?

See below.