A Kamailio-based call-control and CDR platform handling 10,000+ simultaneous calls with real-time AI fraud detection. Prepaid and postpaid rating, multi-currency billing, and a rules-plus-ML engine that cuts revenue leakage by up to 40%.
The flow
01 · INGRESS
Call enters the Kamailio proxy; trunk and customer identified.
02 · RATE
Prepaid balance checked or postpaid charge computed from the rate deck.
03 · SCREEN
Rules engine + ML model score the call; suspect traffic auto-blocked.
04 · SWITCH
Call routed to the chosen carrier with live QoS monitoring.
05 · CDR
Enriched CDR generated and streamed to S3, FTP, or your billing stack.

Fraud & revenue assurance
A rules engine combined with ML models flags SIM-box, Wangiri, and velocity fraud in real time — with one-click block and full CDR forensics on every suspect call.
Capabilities
NU CCS is built on a hardened Kamailio core — wrapped in our own rating engine, ML fraud models, and revenue-assurance console, so you run carrier-grade call control without operating the SIP stack yourself.
Features
Built for the demands of modern telecoms and digital infrastructure — reliable, programmable, and production-ready.
Advanced filtering, routing, and monitoring on Kamailio — 10,000+ calls per second reliably.
Prepaid and postpaid rating with multi-currency rate decks and per-call charging.
Rules plus ML cut revenue leakage by up to 40%, with real-time alerts and automatic blocking.
Generate, enrich, and export CDRs to S3 or FTP, with analytics for revenue and quality.
Rate & export in code
Upload rate sheets, define fraud rules, and pull CDRs from your own stack. Everything the console does is available over the API.
# publish a new rate deck
curl -X POST https://api.nuccs.co/v1/ratedecks \
-H "Authorization: Bearer $NU_CCS_KEY" \
-d '{ "name": "wholesale-za", "currency": "ZAR",
"prepaid": true, "fraud_rules": "default" }'
# → 201 Created
{ "id": "rd_3Hq9…", "status": "active",
"destinations": 4128 }Book a demo and we'll run a fraud-and-rating assessment on a sample of your traffic — 30-day pilot, no commitment.
30-day pilot · Revenue-assurance assessment included