The majority of companies have their own internet website. Thereby, the spectrum ranges from pure information services to offering all business workflows.

A portal refers to a start site in the intranet (resp. internet) via which the user gets access to different information services and applications. Often a personalisation functionality is integrated which enables the customer to adapt the portal to his interests after registration.

Single Sign On allows the user to access and use all of the applications he is entitled to after one single authentication (e.g. in a portal).

Because of the fact that the communication partners are located in different areas the identity identity of the communication partners must be ensured. The process of issuing mechanisms in order to identify the communication partner during a transaction is called registration.

Frequently, existing conventional business processes shall be transferred into the internet. This process is called Web Enabling and makes the affected systems accessible for a broad range of users by creating standardised interfaces to the internet/intranet.

The developed eBusiness applications need to be integrated accurately into the data center of the specific operator in order to guarantee both a smooth handling and as less amount of maintenance as possible.