Staff Scheduling process in detail

Disclaimer: The below data and formatting is just my assumption and it is not related to any company.

Step:1

We need to determine interval wise call arrival pattern based on trend, example: 6 weeks.

Step:2

We need to determine  interval wise AHT based on trend, example: 6 weeks.

Step:3

We need to determine  interval wise Shrinkage based on trend, example: 6 weeks.

Step:4

We need to determine  interval wise staffing  based calls Arrival pattern, AHT and Service level.

Step:5

We need to check the present headcount and schedule the agent by designing shift pattern