Billing & Revenue Management
From Usage to Cash
Rating, charging, mediation, subscription billing, interconnect & roaming, convergent billing, revenue assurance, and dunning — how telcos turn service usage into revenue.
Sections
Billing Overview
Where billing sits in Lead-to-Cash, its key interfaces with SLM, mediation, catalogs, and ERP, and why billing is the hardest BSS system to replace.
Rating & Charging
Real-time vs batch rating, event types (recurring, usage, one-time), charge calculation, and the OCS architecture for prepaid.
Mediation & CDR Processing
CDR collection, normalisation, correlation, enrichment — the data pipeline from network to billing and its revenue leakage risks.
Subscription Billing & SLM
Recurring charges, the SLM dependency, lifecycle events (activation, upgrade, suspension, cancellation), proration, and the bill run process.
Interconnect & Roaming Billing
Wholesale settlement between operators, TAP/RAP/NRTRDE standards, clearing houses, and reconciliation challenges.
Convergent Billing
Prepaid/postpaid convergence, the dual-stack problem, single balance architecture, unified rating, and the OCS role.
Revenue Assurance
Leakage detection across the billing chain, CDR reconciliation, margin analysis, and why RA needs cross-system visibility.
Dunning & Collections
Payment lifecycle, the dunning escalation ladder, credit management, debt aging, write-offs, and SLM integration for service actions.