... restrictions (E[Tn1], BN1) are considered under the control of optimal tradeoff consisting of an increase innonprioritized calls response t ime and a decrease in the blocking probability of nonprioritized ... fornonprioritized calls, is constant and does not change with the increase or decrease in the number of other types of calls in the system; hence, the purpose of this paper is to show the impacts ... probability of prioritized calls, N1and M.BN1is the blocking probability of the new prioritizedcalls and E[Tn1] is the mean response time of nonprioritizedcalls. To determine the number of nonprioritized...