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Reply To: Trunk Saturated

Richard Arcadi

If the PBX doesn’t make some kind of Statistics (CDR with ANSWER and dropped CDR, with a cause), you could try to make a guess based on real traffic at peak hour. To do so, you have to proccess the CDRs with a simple program that registers the ocupation time of a given trunk, slicing the time (for instance) in minutes. If you do it with all the CDRs, you can have the ‘real’ erlangs minute by minute, around peak hours. With that info and the theorethical capacity of a trunk with B=0.5% (for instance), you might appreciate the ratio betweeen theory and reality. If the ratio approaches to 1, you could assume a loss of offered traffic, based on average figures.Hope this can help.