When you design monitoring, you should know six points as a whole.
As for monitoring, there are various monitoring such as call monitoring,
process monitoring, and task monitoring.
This time, we pick up the case which mainly involves call monitoring.
You should set priority according to the purpose of monitoring.You should define the evaluation items according to the purpose, revise the
evaluation items depending on changing situations, and make rules to
extract calls, to evaluate, and to return results.
Let’s understand the details from next page.