Abstract

We introduce a model that allows anonymous yet accountable access to services in mobile communication systems. This model is based on the introduction of a new business role, called the customer care agency, and a ticket based mechanism for service access. We introduce the general idea of ticket based service access, and present a categorisation of ticket types and ticket acquisition models. We analyse the role of customer care agencies and emphasise their advantages. 1 Introduction Mobile communication systems allow their users to access a large set of traditional (e.g., voice communications) and contemporary (e.g., e-commerce) services without being tethered to one particular physical location. Examples of mobile communication systems include cellular telephone networks and wireless LANs. The mobility feature offered by these systems attracts many users 1 . This makes the provision of services to mobile users a promising business area. Therefore, a great number and variety of ser...

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