CallSafely Discuss a pilot
In-call anti-scam layer for mobile operators

Number reputation ends where the conversation begins.

CallSafely is an in-call anti-scam layer carriers deploy inside their own network and ship under their own brand. It scores the live conversation and intervenes before money moves.

Discuss a pilot Listen to an intervention
Deployed on-net  ·  Data stays in the operator's contour  ·  Whitelabel  ·  Revenue-share commercial model

CallSafely is a whitelabel anti-scam platform for mobile carriers. Unlike caller-ID and blocklist services that act before a call connects, CallSafely analyzes the live conversation in real time, detects manipulation patterns (authority impersonation, urgency pressure, OTP requests), and warns the subscriber before money moves. It runs inside the operator's own infrastructure and launches under the carrier's brand.

The problem

The industry is good at blocking numbers. Nothing in the stack protects the subscriber after the call connects.

1 in 600
calls on a major carrier network is a scam attempt, per network data from a top-tier carrier, 2025.
Top-tier carrier network data, 2025
50–60 calls
completed by a fresh scam number before the best reputation systems flag it, per carrier reporting and executive interviews, 2025. Every one of those calls is unprotected.
Carrier reporting and executive interviews, 2025
1,500–2,000/min
dialing rate per scam operation, per carrier reporting and executive interviews, 2025–2026. Schemes are shifting to multi-call setups — from 10% to 20% of fraud in one year — that reputation filters cannot see.
Carrier reporting and executive interviews, 2025–2026

Caller-ID and blocklists act before the call connects. Everything that gets past them runs unmonitored — including every call from a number too fresh to have a reputation.

How it works

On-net deployment. Turn-by-turn detection. Intervention before money moves.

Reference architecture
Subscriber
live call
Operator network contour
Voice path
SBC / IMS integration point
CallSafely engine
turn-by-turn risk scoring
⊘ audio and data never leave the operator's contour
Subscriber — in-call warning
Family member — alert
Partner bank — hold signal
01 · Deployment

Runs inside the operator's infrastructure, on the existing voice path. Audio and signalling never leave the network contour — data-sovereign by construction, regulator-ready by default.

02 · Detection

Turn-by-turn risk scoring of the live conversation against manipulation patterns: authority impersonation, urgency pressure, payment redirection, and related classes. Each turn updates the call's risk state.

03 · Intervention

On threshold: an in-call warning to the subscriber, an alert to a designated family member, and a hold signal to the partner bank — before money moves.

Pilot on a defined subscriber segment; integration scoped to the operator's existing voice path; no subscriber app required for network-level operation.
Detection, false-positive and latency figures: pilot metrics — available on request.
Hear it in action

Sixty seconds inside an intervention.

Call monitor · staged sample · EN duration 1:00
0:001:00

A staged recording, voiced by AI, based on real scheme scripts. No real victims, numbers, or bank names.

00:01
Subscriber — "Hello?"
00:03
Caller — "Good afternoon. Is this Mr. Smith speaking?"
00:06
Subscriber — "Yeah, that's me."
00:08
Caller — "I'm Officer David Miller from your bank's security team. Mr. Smith, we've noticed some unusual activities on your account today. We've detected several international transfers totaling $2,450. Did you approve these transactions?" authority
00:20
Subscriber — "No way. That's not me."
00:23
Caller — "We need to confirm your identity to immediately stop these fraudulent transactions." urgency
00:28
Subscriber — "Yes, let's stop it."
00:31
Caller — "All right, sir. I'm sending a one-time password to your mobile number ending in 5678 now. Please read the six-digit code." otp request
00:40
⚠ Attention! You may be talking to a scammer.
00:44
Subscriber — "Ha! CallSafely warned me about scammers like you. I'm done talking to you."
00:50
Caller — "Damn it!" (call ends)
In-call detection vs caller-ID

Reputation systems score the number. CallSafely scores the conversation.

Number reputation
Truecaller, Hiya, in-house filters
CallSafely in-call layer
Conversation-level defense
Timing
Acts before the call connects
Acts during the live call
Fresh numbers
Blind until 50–60 completed calls build a reputation
Number-agnostic — the conversation is the signal
Multi-call schemes
Misses setups spread across several calls
Tracks the conversation as it unfolds
Mechanism
A database lookup at call setup
Conversation-level scoring, turn by turn
The two layers are complementary.
CallSafely sits on top of whatever blocking the operator already runs. It does not replace CLI filtering, A2P controls, or existing reputation feeds — it covers the calls they let through.
The business case

One top-tier carrier already proved subscribers pay for protection.

Proven willingness to pay
Use the sliders below to tweak the model. This is an approximation of how the adoption may look like in terms of numbers based on our experience.
Your subscriber base5.0M
Product ARPU$1.50/mo
benchmark price points: $1–2.75
100K
325K
625K
Year 1
Year 2
Year 3
Year-3 annual product revenue
$11.3M
3-year cumulative revenue
$18.9M
Ballpark projection scaled from the benchmark carrier's public adoption curve. Illustrative, not a forecast. Default example: a 5M-subscriber base at $1.50/month reaches ~625K protected users and $11.3M in annual product revenue by year 3.
The headroom
71%
of urban consumers in that market already have some call protection connected, per a 2024 consumer survey
Consumer survey, 2024
~30%
of subscribers still use none, per a 2026 consumer survey — the launch headroom for a new tier
Consumer survey, 2026
BUILD VS PARTNERHSIP
BUILD IN-HOUSE
$1.5M+
6-12 months · ~20-people team
PARTNER WITH US
Months
zero capex · revenue share
Build figures: the same carrier's in-house program · Executive interviews, 2023–2026
Value beyond the paid tier
Churn defense
Competing carriers give basic antifraud away free purely for retention.
Care-cost reduction
Fewer fraud-driven escalations reaching the care line.
Family-plan attach
Protection extends across the plan — a VAS attach-rate lever.
Regulatory positioning
Anti-fraud mandates are tightening across emerging markets; deployed protection is negotiating position.
All benchmark figures from public carrier reporting, executive interviews and consumer surveys, 2023–2026. Full source list available on request.
Whitelabel

Your brand. Your network. Our engine.

Subscribers see the operator's protection service: operator-branded app surfaces and in-call UX. CallSafely operates the detection engine underneath, on a revenue-share commercial model.

1 · PILOT
Operator: defined subscriber segment, consent and comms
CallSafely: on-net deployment, model tuning, pilot reporting
2 · CO-BRANDED LAUNCH
Operator: brand, pricing, distribution channels
CallSafely: engine operation, detection-model updates
3 · FULL ROLLOUT
Operator: full-base distribution, care integration
CallSafely: capacity scaling, SLA operation
14:06
YOUR CARRIER · Secure call
?
Unknown caller
+•• ••• ••• ••14
00:47
mute
keypad
speaker
⚠ Fraud risk detected
This call shows signs of fraud. Bank staff never ask for SMS codes.
Risk
HIGH
End call
Keep talking
FAQ

Common questions from operators.

What is in-call scam detection?

In-call scam detection analyzes the live phone conversation in real time, turn by turn, instead of screening the calling number before the call connects. It scores the dialogue against manipulation patterns — authority impersonation, urgency pressure, payment redirection, OTP requests — and intervenes before money moves: an in-call warning to the subscriber, an alert to a designated family member, and a hold signal to the partner bank.

How is CallSafely different from caller-ID apps like Truecaller or Hiya?

Caller-ID and blocklist services act before the call connects, based on a number's reputation — which leaves them blind to fresh numbers (a new scam number completes 50–60 calls before the best reputation systems flag it) and to schemes spread across several calls. CallSafely is number-agnostic: the conversation itself is the signal, so it acts during the live call. The two layers are complementary — CallSafely covers the calls that blocking lets through.

How do mobile operators make money on anti-scam services?

Subscribers pay for protection: benchmark price points from a top-tier carrier run $1–2.75 per month. Beyond the paid tier, deployed protection defends against churn, reduces fraud-driven care-line escalations, lifts family-plan attach rates, and strengthens the operator's position as anti-fraud mandates tighten. CallSafely ships on a revenue-share model with zero capex for the carrier.

What does it cost a carrier to build call protection in-house?

Building in-house cost the benchmark carrier $1.5M+ with a ~20-person team over 6–12 months, per executive interviews from 2023–2026. Partnering instead takes months, with zero capex, on a revenue-share commercial model.

How is subscriber privacy protected?

CallSafely runs inside the operator's own infrastructure, on the existing voice path. Audio and signalling never leave the operator's network contour — data-sovereign by construction, regulator-ready by default. Subscribers see the operator's own branded protection service.

How fast can a carrier launch?

Deployment starts with a pilot on a defined subscriber segment, integrated at the operator's existing voice path (SBC/IMS), with no subscriber app required for network-level operation. From there the path is a co-branded launch, then full rollout — a matter of months, versus a $1.5M+ in-house build.

Contact

Discuss a pilot

A 30-minute working session: your fraud picture, the integration point on your voice path, and the scope of a segment pilot.

Currently onboarding pilot carriers in CIS, the Baltics and the Gulf.
Security and data-processing documentation available under NDA.
Pilot references available as deployments complete.
CallSafely
[email protected]
© 2026 CallSafely. Whitelabel in-call anti-scam layer for mobile operators.