Siebel CRM application functionality is licensed by Oracle on a per-module basis. If a customer does not need, for example, the Siebel Marketing functionality, then he does not have to pay for it.
The interesting part, however, is that when we install Siebel CRM, we install the so-called Siebel Repository, the metadata store holding all pre-built application configurations. This repository is the same for all customers. What customers get when they purchase a Siebel CRM license for the modules they have chosen is the Siebel license key.
Plainly, the license key is a set of numbers that control the availability of the Siebel CRM functionality to the end users. Siebel functionality is accessed by means of Siebel Views, which are simply filtered away if the respective license key is not present in the Siebel database.
For an initial demonstration installation of Siebel CRM, it is therefore important to download the correct license key from the Oracle website. For evaluation...