Calculate period of congestion in a particular exchange, Computer Engineering

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In a particular exchange during busy hour 1200 calls were offered to a group of trunks, during this time 6 calls were lost. The average call duration being 3 minutes Calculate Period of congestion.

Solution:

Period of congestion in a particular exchange:

B= 6/1200 = 0.005

0.005 x 3600 = 18 seconds


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