The call setup time is one of the test report quality measurements designed to show the time it took to connect the sessions.

This value present the time in seconds it takes to all WebRTC channels in the session to exceed 50% of the channels' average bit-rate.

This value is also presented in the test report's 'Outgoing and incoming audio bitrate' chart (marked as grayed area at the left side of the chart)


For example:


The test's 'Average call setup time' is the average for all test's sessions 'call setup time'.