1) Typically, we have common flowcharts that are in an application prior to every interactive menu played for the caller. (MenuSet: You can see examples of its use throughout the sample applications that install with TeleFlow)
<br>We would put a flowchart at the beginning of each such flowchart (MenuSet and other common flowcharts). In this flowchart, you would use a Compare step to check if the TeleFlow system variable, @CALL_ELAPSE, is greater than or equal to the duration you want. If it is, you would probably play a message for the caller, and then use a hang up step to end the call.
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<br>2) Use the system variable @CALL_ELAPSE to determine the number of seconds (the variable has milliseconds precision) of the call.
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