This document summarizes an Oracle Billing and Revenue Management (BRM) implementation at a Russian telecommunications operator called Metrocom. It describes the prerequisites for a new billing system, reasons for choosing Oracle BRM, an overview of Oracle BRM and its components, and the implementation steps taken. Some of the main challenges included implementing unusual functionality in Oracle BRM and developing additional modules. The results were a customized Oracle BRM system adapted to Russian requirements that reduced manual operations and integrated client-bank processes.