The image shows a functional diagram of the Billing and Revenue Management (BRM) application, with usage event detail records generated from core network functions and service delivery systems being fed into the BRM business logic layer via usage mediation. The revenue management business logic supports usage management, subscription management, billing, invoicing, collections and accounts receivable functionality supported by a suite of client applications covering pricing and offer design, business operations and agent-assisted billing care. An extensive API framework can be used to integrated to external enterprise business applications and pre-integrations are available supporting taxation and payment processing. BRM can be deployed on OCI, an OCI-dedicated region, or on premises on bare metal or virtual machines.