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

SophiaPretty

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Status NEW Posted 28 Nov 2017 02:11 PM My Price 7.00

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