Operations support systems (also called operational support systems or OSS) are computer systems used by telecommunications service providers. The term OSS most frequently describes "network systems" dealing with the telecom network itself, supporting processes such as maintaining network inventory, provisioning services, configuring network components, and managing faults. The complementary term business support systems or BSS is a newer term and typically refers to “business systems” dealing with customers, supporting processes such as taking orders, processing bills, and collecting payments. The two systems together are often abbreviated OSS/BSS, BSS/OSS or simply B/OSS.
Different subdivisions of the BSS/OSS systems are made, depending on whether they follow the TM Forum's diagrams and terminology, industry research institutions or BSS/OSS vendors own view. Nevertheless in general, an OSS covers at least the application areas:
- Network management systems
- Service delivery
- Service fulfillment, including the network inventory, activation and provisioning
- Service assurance
- Customer care
Read more about Operational Support Systems: History and Development of OSS, A Brief History of OSS Architecture, TM Forum (formerly The TeleManagement Forum)
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