February 2005
Intermediate to advanced
472 pages
11h 38m
English
book
Patterns: Pervasive and Rich Device Access Solutions
by Peter Kovari, Phillip Dermody, Daniel Ehrle, Stefan Fassmann, Richard Jacks, George Kroner, LindaMay Patterson, Sami Serpola
Content preview from Patterns: Pervasive and Rich Device Access Solutions
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Chapter 5. ITSO Railway sample overview 95
Example use case
In this example use case:
1. Steven receives a Sametime message about an equipment failure.
2. He reads the message and immediately notifies the dispatcher that he is on
his way.
3. He heads off to the location of the switch that is about to malfunction.
5.8 Automated on-train ticketing
There are various ways customers buy ITSO Railway tickets, such as using the
online ticket purchasing system, buying them from the ticket agents at the train
station, and buying them from the conductor on the train. The conductor needs a
mobile solution that allows him to sell tickets and accept customer credit cards.
The conductor’s mobile devices may be occasionally connected to the ticketing
syste
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