Datasheet · Real-Time Protection
Voice fraud defence for live phone lines.
DeepBlocker Real-Time Protection sits in front of any phone number you want defended. Every inbound call is intercepted by a Zero-Trust Voice Agent that screens the audio for synthetic-voice signatures, scores the request itself, and decides whether to transfer to a human or terminate the call. The attacker never reaches your team.
Who it's for
- Banks, fintechs, treasury and payments operations.
- Customer-service and helpdesk lines vulnerable to ATO and password-reset fraud.
- Executives and finance teams targeted by CEO-fraud calls.
- Telecoms operators offering fraud-defence as a value-added service.
How it works
- Forward the protected number to DeepBlocker. No carrier integration. No bank cooperation required.
- The Zero-Trust Voice Agent answers every call. The caller is greeted, the audio is analysed in real time on the same G.711 transport fraudsters use.
- Three-band verdict in real time: REAL → transferred to your team. UNCERTAIN → routed to human review. FAKE → terminated, audit log written.
- Every decision produces an audit trail: voice analysis score, three-band verdict, transcript, and disposition.
Detection performance
| AI callers caught on real phone calls (previous model 86.2%) | 93.6% |
| AI callers that slip through as real (previous model 8.5%) | 3.2% |
| Real callers wrongly flagged (unchanged) | 3.5% |
| AI callers still caught under office noise at 10 dB (previous model 73.2%) | 80.8% |
Measured on 207 real phone calls (113 real callers, 94 AI callers), both models scored on the same calls the way production scores them. Methodology in the model card at /model-card.
Deployment
- Forward the protected number to a DeepBlocker SIP endpoint or Twilio number. Setup in minutes.
- ~1 s warm voice analysis per call. Carrier-grade infrastructure on serverless GPU.
- Per-tenant configuration: rules, escalation, audit retention.
- Optional Teams / Slack hand-off for review-queue calls.
Compliance and data handling
- Per-tenant retention, encryption, and access controls. Aligned with GDPR, DORA, and NIS2 obligations.
- Audit log per call (score, verdict, decision, transcript) for regulator and SAR review.
- Data-residency options on request.
Pricing model
Tiered per protected number with a generous monthly minute allowance. Volume tiers for telecoms and platform partners. Contact sales for a tailored quote.