Receivables Module

[AIMAM]

Hello,

I work for a telecommunication company that sells phones and scratch cards for prepaid lines. We have the following Oracle applications modules implemented:
Purchasing, Inventory, Payables , Fixed Assets, Cash Management, General Ledger, HR and Payroll. Another Oracle built-in solution is used for customer care and billing.
Finance department is planning to implement the receivable module and integrate it with the other billing and customer care application.

I would like to have more information / help on the following please:

What functionalities exactly can Receivables perform in our business/ Finance cycle?

How will Receivables interface with the other modules implemented?

What are the interface tables of receivables?


Details would be appreciated...