conferences instance messaging im whiteboard applications file transmission and remote control etc in a system for a telecommunication network to provide a session service to the internet of the disclosure an access side device of the telecommunication network supports an internet application protocol and the internet is connected to the telecommunication network via an access gateway or the upgraded access side device wherein the telecommunication network is configured to provide a session service to an internet user and establish a session between the internet user and a telecommunication user or another internet user the telecommunication network realizes the connection with the internet through an access gateway supporting an internet protocol or the telecommunication network realizes the connection with the internet through enabling an access side device to support an internet protocol the internet protocol includes http or https or rest or sip over http or websocket wherein the access gateway or the upgraded access side device realizes conversion between http and sip the internet user establishes the session with the telecommunication user or another internet user through a real time communication in web browsers rtcweb technology an sip plugin or http soap web2 0 html5 the telecommunication network is further configured to allocate a number or an identifier to the internet.