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System 03 · Telecom

VoiceHub

A multi-tenant voice platform for operators.

In production

Python · FastAPI · Celery · PostgreSQL · Redis · Asterisk · React

FIG. 3 — VOICEHUB
Portal and APIReact and FastAPI
Workerscampaigns and rating
PBX serverAsterisk voice stack

VoiceHub

Account · Telecom

In production

Python · FastAPI · Celery · PostgreSQL · Redis · Asterisk · React

Brief

Tenants run their own campaigns, IVRs and numbers.

Every call is rated and billed from a prepaid balance.

The voice stack and the application scale separately.

Delivered

Visual IVR builder, campaign scheduling and retry policies per tenant.

Rated call records, balances and operator-managed credits.

A two-server split: application server and PBX server, paired over a control plane.

ReconciliationVariance 0.00