Meridian America 21 Manual De Usuario

Provisioning guidelines 3-3

The first step in provisioning an initial SL-1 is to forecast the growth of the

system at the 2-year and 

 interval in terms of telephone stations.

The number of telephones required when the system is placed in service
(cutover) is determined by the customer. If the customer is unable to

provide a 2-year and 5-year station growth forecast, then a customer

estimate of annual growth of personnel in percent is used to estimate the
number of stations required at the 2-year and 

 interval.

Example

A customer has 500 employees and requires 275 telephones to meet the

system cutover. The customer projects an annual increase of 5% of

employees based on future business expansion. The employee growth

forecast is:

500 employees x 0.05 

 growth) = 25

525 employees x 0.05 = 27 additional employees at 1 year

552 employees x 0.05 = 

 additional employees at 2 years

580 employees x 0.05 = 29 additional employees at 3 years

609 employees x 0.05 = 31 additional employees at 4 years

640 employees x 0.05 = 32 additional employees at 5 years

The ratio of telephones to employees is 

 = 0.55.

System engineering 553-3001-l 51