Hyderabad 9652220840 seshi.jonnala@zetasys.in

KPIs we cover in Telecommunications

Average subscription length

Average subscription length (e.g. in months).


The general formula for availability is:

Availability = [MTBF/(MTBF+MTTR)] x 100

Availability is a function of the total service time, the mean time between failure (MTBF), and the mean time to repair (MTTR).


The formula derives the percentage of the time service is available. The inverse is the amount of downtime.

Average international packet loss %

Average international packet loss percentage.

Average national round-trip latency

Average national round-trip latency.

Average national jitter

Average national jitter.

Mean Time To Detect (MTTD)

MTTD would be the difference between the onset of any event that is deemed revenue impacting and its actual detection by the technician who then initiates some specific action to recover the event back to its original state. This would not be the same as starting the “Mean Time To Repair” (MTTR) clock. (i.e. once the technician receives a trouble ticket). The onset of any revenue impacting event almost always is recorded at some specific time by some specific equipment. The key element would be to bring the detection tool into the technician’s environment and then measure the difference between the events time stamp and the tech’s first action indicating recognition of the event (MTTD).

Average Revenue Per Employee (ARPE)

Is the ratio of Total Revenue of the Service Provider divided by the Total Number of Employees yielding a KPI that assist an organization in the measure of the cost of supporting a given set of services.


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