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Phone Call Use case

 
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Hi,

What would be the use case requirement for " I need to do Phone Call"

It might look simple, but i am not able to provide a standard Use Case Requirement specification solution.

Thanks
Badri
 
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Well, "make phone call" *is* a "low resolution" use case already.

What more you need depends on the context - are you required to use a specific format, what is the purpose, who is the audience etc. pp.
 
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We make a use case describe a user's interaction with the system. So the flows usually come out with the user and system taking turns:

* User lifts handset off hook
* Phone plays dial tone
* User hits a button
* Phone does what ...
* etc.

Does that answer the right question?

This quickly gets trickier than you think. I googled for "telephone state transition diagram" and found the following picture. I wouldn't try to express the following rules in any other format. That is, a use case flow is not the way to talk about phone numbers beyond "user enters a valid phone number".



This isn't really a phone handset scenario ... we don't enter the "hyphens".
[ June 10, 2006: Message edited by: Stan James ]
 
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