🏗️Module 1
Foundations
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.
Sections
1.1
BSS vs OSS: The Two Halves
What BSS and OSS actually are, what they own, and why the boundary between them matters.
10 min
1.2
Commercial vs Technical Domains
The critical split between what the customer sees and what the network delivers.
10 min
1.3
Catalog-Driven Architecture
Why modern telco systems are catalog-driven, and how catalogs control everything from sales to activation.
12 min
1.4
Lead-to-Cash and Its Sub-Domain Processes
The L2C master process decomposed into L2O, O2A, and O2C — plus the companion Trouble-to-Resolve (T2R) process covering ITSM and service assurance.
20 min