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Functional Architecture Reference

End-to-end BSS/OSS reference architecture: channels, integration, five business domains, platform services, partners and the network, with interactive journeys from order to cash

Explore an end-to-end journeyPick a flow to light up the capabilities involved, step by step.
Integration backbone
API gatewayTMF Open APIs, security, throttling
Event busAsynchronous events and streams
Integration adaptersNetwork, partner and legacy connectors
Network & OSS
5G / 4G packet coreSessions and dataPolicy controlQuality of serviceCharging triggerNchf / Diameter
Subscriber dataHLR / HSS / UDM
IMS voice & SMSVoLTE, VoNR, messaging
Radio access4G and 5G cells
Service & network inventoryWhat is deployed
Service assuranceFaults and performance
Click any box to open its deep diveExternal partner Generic, vendor-neutral reference based on TM Forum and 3GPP concepts