Answer:
★ Total traffic volume per hour / 3600 seconds is described by erlang
★ For example, 60 calls in one hour and each lasting 5 minutes results the following:
Minutes of traffic in an hour = Number of calls x Duration
Minutes of traffic in an hour = 60 x 5 = 300 minutes
Hours of traffic in the hour = 300 / 60 = 5 hrs
The traffic figure = 5 erlangs
★ For example, 60 calls in one hour and each lasting 5 minutes results the following:
Minutes of traffic in an hour = Number of calls x Duration
Minutes of traffic in an hour = 60 x 5 = 300 minutes
Hours of traffic in the hour = 300 / 60 = 5 hrs
The traffic figure = 5 erlangs
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