314 Patterns: Pervasive and Rich Device Access Solutions
14.1 Business requirements
The business requirements are for ITSO Railways to minimize the need for a call
center to provide customers with information about its timetables. ITSO has
provided a range of printed and Web-based materials for customers but
recognizes that customers in transit may need to update their train schedules.
For this purpose ITSO Railways employs a call center operation, but because of
potentially large volumes of calls at particular times of the day with only minimum
use at other times the call center represents a major cost for ITSO Railways.
In order to meet its current requirements for cost-reduction, ITSO Railways
intends to automate the phone access to its