Purpose of the SRS is to:

1.      Establish the basis for agreement between the customers and the suppliers on what the software product is to do. 
2.      Collect and analyze all assorted ideas that have come up to define the system, its requirements with respect to consumers.
3.      Provide a basis for developing the software design. 
4.      Reduce the development effort.
5.      Provide a basis for estimating costs and schedules. 
6.      Provide a baseline for validation and verification.
7.      Facilitate transfer.
8.      Serve as a basis for enhancement.
9.      Provide a detailed overview of our software product, its parameters and goals.