70-337 Question #80: Real Exam Question with Answer & Explanation

The Los Angeles users have the following call statistics: - Peak call concurrency is 25 percent - Fifty percent of all placed calls are routed to the PSTN. - Thirty percent of all placed calls are internal calls to users in the other offices. - Twenty percent of all placed calls are conference calls. - The average bandwidth for peer-to-peer calls is 65 kilobits per second (Kbps). - The average bandwidth used for conference calls is 100 Kbps. You need to identify the minimum amount of bandwidth required on the WAN link for the planned implementation of the media gateway in the Los Angeles office. All calls to the PSTN will be routed through the local media gateway in the Los Angeles office.