Step Outside the Call Generator to Force More Failures

The bad news is that the bugs that are left are hard to find. Forcing external failures during call generator testing will help flush them out.

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How many call features do you have to stack before your switch falls down?

The most interesting tests poke at a couple of features at a time. For example, take Call Forward when Busy and Call Waiting. When CFB is active, does CW happen? If so, does caller D get forwarded when he calls A who is already talking to B and C in a CW call?

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