Specification sheet · Messaging & A2P SMS
SMS Firewall & Messaging Security
Protect subscribers, brands and A2P revenue - grey-route and spoofing detection, smishing and SIM-farm analytics, content filtering and monetisation controls for mobile operators and enterprises.
SMS firewall and messaging security for operators and enterprises: grey-route, spoofing, smishing and SIM-farm/AIT detection, content filtering and A2P monetisation.
- Inline filtering latency
- < 50 ms
- SOC threat monitoring
- 24×7
- A2P traffic visibility
- 100%
At a glance
- Inline SS7 and SMPP inspection with sub-50 ms decisions
- Grey-route detection and redirection to contracted A2P
- Sender ID and SMSC address spoofing prevention
- Smishing, phishing URL and brand impersonation blocking
- SIM-farm, SIM-box and AIT pattern detection
- Content classification and per-policy filtering
- A2P monetisation reporting and settlement for MNOs
- Hosted, on-premises or hybrid deployment with 24×7 SOC
Typical use cases
- 01Mobile network operators
- 02MVNOs and MVNEs
- 03Banks and payment providers
- 04Aggregators and hubs
- 05Government and public services
Technical & commercial specifications
| Inspection points | SS7 MAP (STP/HLR/SMSC), SMPP, Diameter, SIP MESSAGE |
|---|---|
| Latency | Inline decision < 50 ms; monitor-only mode available |
| Detection | Grey route, spoofing, smishing, SIM farm/SIM box, AIT, spam |
| Actions | Deliver, block, throttle, quarantine, redirect, alert |
| Deployment | Hosted, on-premises virtual appliance, or hybrid |
| Throughput | Scales to tens of thousands of messages per second per site |
| Threat intelligence | Hourly feed updates; SOC-curated signatures and registries |
| Integration | SIEM via syslog/API, sender registration portal, settlement reports |
| Compliance | GDPR data handling; ISO 27001-aligned operations; audit trails |
| Support | 24×7 SOC and NOC; P1 response ≤ 15 min; managed-service SLA |
Talk to Dollu about SMS Firewall
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/messaging/sms-firewall
Contact: https://dollu.com/contact?service=sms-firewall