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Offered Teletraffic in Erlangs

Convert busy-hour call arrival rate and mean holding time into offered traffic intensity.

Inputs

Inputs

Range: 0–100,000,000

Enter busy-hour call attempts per hour, not calls already carried after blocking.

Range: 0–86,400 seconds

Enter mean holding time per call in seconds for the same busy-hour population.

Result

Offered traffic intensity (Erlangs)
10.000

Formula

Calculation logic

Formula definitions and substituted values.

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Screening tool. Verify the result against the manufacturer's published rating, the actual equipment, route, floor, and applicable local requirements before ordering, installing, or relying on it.