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Reply To: calculating with erlang


no problem, i am making a global voice over ip design and need to know how much bandwidth is needed. Of course this excersise should be done for outbound and inbound traffic.
I know the calltraffic (BHCR) between site A and the mainsite, the traffic from site B to the mainsite, and so one.
From the BHCR I can calculate the erlang and from there the bandwitdh. But should I first calculate the erlang for A, for B and then sum these erlang values and then calculate the number of lines, or should I calculate the number of lines for A, B and sum these?