A server system, where a multichannel server is connected to a core network of a mobile telecommunications network through a plurality of telecommunications channels. The multichannel server comprises a telecommunications network browser server, a network gateway, an integration gateway, a carrier application server and a carrier application and add-on studio. The multichannel server provides to end user devices network services and core network services through a plurality of communications channels. The multichannel server is an application interface gateway for services exposure and provides network services and core network services as interactive applications. The multichannel server provides application as a communication channel and communication channel as an application.