A method of RTC web type communication on a communication network, including connection of a user terminal to an environment server, providing a unified communication environment, and loading into a web browser of the user terminal a web application incorporated in a web page provided by the environment server. The method includes: dispatching a services activation request message, by the web application of the web browser destined for an application server, so as to determine the communication services which are currently authorized for the user; receiving by the browser a services activation response message, which contains data for access to a set of communication services, and activating by the web application in the user terminal, the services of the set of services; and updating a communication environment graphical interface, displayed in the user terminal by the web application executed by the browser, with the set of communication services.