BSS/OSS Core Concepts
Understand the fundamental architecture of telecom BSS and OSS systems, catalog-driven design, and the critical distinction between commercial and technical domains.
What BSS and OSS actually are, what they own, and why the boundary between them matters.
Why modern telco systems are catalog-driven, and how catalogs control everything from sales to activation.
The critical split between what the customer sees and what the network delivers.
Understanding SoR, SoE, and SoRef — and why getting this wrong causes integration nightmares.
The authoritative reference matrix mapping every BSS/OSS entity to its System of Record, domain ownership, typical consumers, and why ownership matters.
What actually goes wrong in legacy environments without catalog-driven architecture: subscription blindness, billing leakage, orchestration gaps, and why transformation fails without a modelled foundation.
How the TM Forum SID model threads entities across BSS and OSS, ensuring data integrity from commercial order through network activation and back.