Corporation has two business offices

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1. We assume that ABC Corporation has two business offices. These offices are in the cities of Orlando and Miami. These cities are located 220 miles apart. We assume that there are 3 employees in Orlando and 6 employees in Miami. Further, we assume that each employee calls the other site 4 times a day and talks for an average of 5 minutes. Further, each employee calls others in the same office 10 times a day for an average of 3 minutes. We will assume that 20% of the calls happen in the peak hours of the day. A blocking rate of 5% is acceptable for calls between the 2 sites. 

a. What is the cost of PSTN (straightforward) solution?

b. Perform the Erlang calculation

c. Calculate the Blocking

d. Number of links required between these sites with respect to 5% blocking rate.

e. Number of Leased lines and PSTN lines

f. Total cost of your design

The cost of communications services and components

Item                                                             Cost

Line to PSTN                                                 $25/month

Local Call                                                      $0.05/minute

Long distance call                                         $0.40/minute

PBX                                                    $2000 purchase price

Leased line                                                   $275/month

Reference no: EM131524425

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