This paper addresses aspects of classification and characterisation of services in Enhanced UMTS (E-UMTS). a possible UMTS evolution, whose goal is to achieve data rates up to 8-10 Mbit/s, and support new services and applications, while giving the system much more capacity. One starts by putting the available data about target services and applications together, and by presenting different perspectives for service classification. Then, characterisation parameters are presented, and foreseen services and applications are described. Finally, a definition of E-UMTS deployment scenarios, to be used in E-UMTS performance analysis, is presented.