Question: Question 2 An exchange operates using the Erlang loss model with full accessibility system. The average rate of call origination to the exchange is 300

Question 2 An exchange operates using the Erlang loss model with full accessibility system. The average rate of call origination to the exchange is 300 calls/hour and the average holding time is 120 second. Determine the possible value for Grade of Service (GOS) if the service provider decide to provide quality voice service to the customer. Decide on the number of trunks supported by the exchange. Calculate the occupancy of the exchange, carried traffic and the number of unsuccessful call. Compare the utilization (random hunting strategy is deployed) of the exchange if the service provider decides to reduce the cost of operation. (20 marks)
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