Subject: Queueing & Solution Notes: If your answer is going to be in handwriting, please write it clearly so I could read & have an understanding of the materials. Thank you very much. A PBX was installed to handle the voice traffic generated by 3000 employees in an office. Each employee make 2 calls per hour on average, with an average call duration of 4,5 minutes. The PBX has 90 outgoing links. a) What is the overload to the PBX ? b) What is the utilization of outgoing links ? Assume that call arriving when all the busy links are queued up