1. In a wireless telecommunication system capable of providing data services to a plurality of mobile clients, wherein said system comprises a gateway and a cooperating coordinating browser, a method of establishing a shared session within a service application comprising the steps of: establishing an active session with a first client; transmitting a request from a second client to the gateway, wherein the second client requesting to join the active session; analysing said request from the second client by the coordinating browser; joining the second client into the active session with the first client and delivering the current context of the active session to the second client; and delivering updated context to the first client and the second client thereby establishing an interactive shared session.