Specification sheet · Global Numbers & DIDs
Number Masking & Call Privacy
Let two parties call and text each other through a proxy number without ever seeing the other's real number - session-based, API-driven and built for marketplaces, ride-hailing, delivery and healthcare.
Anonymised calling and messaging between two parties via proxy numbers: session-based, API-driven, with recording and analytics for marketplaces and delivery apps.
- Countries with proxy inventory
- 110+
- Session set-up via API
- <1s
- Real numbers hidden from both sides
- 100%
At a glance
- Two-way anonymised voice and SMS through proxy numbers
- Sessions created and torn down via REST API in under a second
- Proxy inventory in 110+ countries with local numbers
- One-to-one, one-to-many and long-lived session models
- Optional recording, transcription and call analytics
- Webhooks for every call, message and session event
- Pool sizing, recycling and cooling-off controls
- GDPR-conscious data handling and consent tooling
Typical use cases
- 01Ride-hailing and mobility
- 02Food and parcel delivery
- 03Marketplaces and classifieds
- 04Healthcare and telemedicine
- 05Recruitment and dating platforms
- 06Field service and home visits
Technical & commercial specifications
| Coverage | Proxy inventory in 110+ countries; local ranges in 100+ |
|---|---|
| Channels | Voice bridging; SMS relay where two-way messaging is permitted |
| Session set-up | <1 s via REST API; TTL, mode and pool configurable per session |
| Session models | One-to-one, one-to-many, long-lived |
| Events | Signed webhooks for call, message and session lifecycle |
| Recording | Optional per session; consent prompts; transcription; retention per country |
| Pool controls | Auto-scaling pools; recycling; configurable cooling-off |
| Scale | Millions of sessions per month; carrier-grade voice and SMS core |
| Compliance | GDPR-aligned data handling; PII minimisation; audit trails |
| Support | 24×7 NOC; solutions engineering during integration |
Talk to Dollu about Number Masking
Send us your destinations, volumes, sites or use case and we will return a proposal, pricing and a technical plan within one business day. Test credentials and the full service description and SLA document are available on request.
- Sales
- [email protected]
- Phone
- +91 777-500-2222
- Web
- dollu.com
- NOC
- [email protected] · 24×7
Dollu Ltd · 2403A, Iconic Corenthum, Sector 62, Noida 201301, India. This sheet summarises the standard service; specifications may vary by country and are confirmed in the service order.
Online version: https://dollu.com/services/numbers/number-masking
Contact: https://dollu.com/contact?service=number-masking