CallStatistics

{
    "calls": 0,
    "successCalls": 0,
    "connectionRate": 0,
    "durationMs": 0,
    "pastWeekCalls": 0,
    "pastWeekSuccessCalls": 0,
    "pastWeekConnectionRate": 0,
    "callsDifference": 0,
    "connectionRateDifference": 0
}