Abstract: The present invention relates to an arrangement in connection with supplementary services provided by different vendors, especially the interaction thereof, which supplementary services comprise appropriate standards and protocols, and for the purpose of giving the user a larger ability to influence the supplementary services in question, as well as improving the possibility for vendors to arrive at general standards which are more easy to interpret and which will reduce or eliminate the need of long interoperability tests, it is according to the present invention suggested to use Java as a new media channel, meaning that the arrangement further comprises means for the user to publish service information, advertisements and options to the remote user.