Banking & Financial Services
Carrier-grade OTP messaging, secure contact-centre voice and private connectivity for banks, insurers, NBFCs and fintechs - built for regulated traffic, audited networks and zero tolerance for downtime.
800+
SMS operator connections
99.99%
Core network availability
≤ 15 min
P1 NOC response, 24×7
How Dollu serves banking & financial services.
Banks, insurers, NBFCs, payment processors and fintechs run on communications that must simply work: a one-time password that arrives in three seconds rather than thirty, a fraud-alert call that lands with the right caller ID, a branch link that stays up on results day. Dollu supplies that layer. We carry transactional and OTP SMS over 800+ direct operator connections, terminate and originate voice on Tier-1 routes, and build private MPLS, Ethernet and SD-WAN networks that link branches, ATMs, data centres and cloud regions without touching the public internet.
Regulation shapes everything we do for this sector. In India, our SMS platform is DLT-registered end to end - entity, header and template checks happen before a message leaves our gateway, so consent and template violations are caught rather than fined. In the US we support 10DLC registration and STIR/SHAKEN attestation on outbound calls; in the EU and UK we operate under GDPR and Ofcom rules. Our hosting and network operations are ISO 27001-aligned and we can support PCI-DSS scoping for contact centres that handle card data on calls.
The threat model matters as much as the SLA. Financial brands are among the most impersonated in the world, so we pair every deployment with the security you would expect from a carrier: always-on DDoS scrubbing in front of internet-facing banking, an SMS firewall that blocks grey-route and spoofed sender IDs, voice-fraud analytics that flag IRSF and account-takeover patterns, and a 24×7 SOC offering managed detection and response. All of it is backed by our NOC, a named account manager and a P1 response commitment of fifteen minutes.
What keeps communications and network teams up at night.
OTP delivery decides whether a payment completes
A delayed or undelivered one-time password is an abandoned transaction and a support call. Grey routes, operator filtering and DLT template mismatches all cause silent failures that only surface later as falling conversion rates and rising customer complaints.
Impersonation and fraud against customers
Spoofed sender IDs, smishing, vishing with forged caller ID and SIM-swap attacks target financial institutions more than any other sector. Communications channels need to be authenticated, monitored and rate-limited, not merely delivered as cheaply as possible.
Regulated, auditable connectivity
Branches, ATMs, trading floors and core-banking data centres need deterministic latency, encryption in transit and audit trails. Public-internet VPNs rarely satisfy regulators or internal risk committees as the primary link for payment and settlement traffic.
Contact centres that handle card data
Voice channels touching card numbers fall under PCI-DSS. Recording, agent desktops, IVR payment capture and SIP trunks all have to be scoped, segmented and evidenced for auditors without slowing agent productivity or lengthening handle time.
How we solve them.
Each solution maps to specific Dollu services - click through for full detail, specifications and FAQs.
High-priority OTP and transactional messaging
Direct operator routes for OTP, transaction alerts and fraud notifications with DLT, 10DLC and sender-ID registration handled by us; delivery receipts, latency dashboards and automatic failover to voice OTP when SMS is filtered.
Secure, compliant contact-centre voice
Cloud contact centre or SIP trunks into your existing platform, toll-free and local numbers in 100+ countries, encrypted SIP/SRTP, DTMF-masked payment capture and call recording retention aligned to your regulator.
Private connectivity for branches, DCs and cloud
MPLS and Ethernet private lines between data centres, SD-WAN with dual-carrier underlay for branches and ATMs, and dedicated cloud on-ramps into AWS, Azure and Google Cloud regions - all monitored from our NOC.
Perimeter defence and threat detection
Always-on volumetric and application-layer DDoS scrubbing, managed next-generation firewalls, zero-trust access for staff and third parties, and a 24×7 SOC with managed detection and response mapped to your incident playbooks.
Resilience and recovery
Backup and disaster recovery across our Indian and international data centres, hybrid and multi-cloud architectures with tested RPO/RTO, and diverse-path internet access so no single fibre cut takes a service offline.
98%+
OTPs delivered within 5 seconds on direct routes
30–45%
Lower messaging cost than multi-hop aggregators
99.99%
Availability on dual-homed branch WAN
≤ 15 min
P1 incident response, any hour
Most used by banking & financial services customers.
- messaging
OTP & Verification Messaging
High-priority OTP and verification messaging with sub-3-second delivery, failover to voice OTP and flash call, AIT/fraud protection and end-to-end conversion tracking.
- messaging
A2P SMS (Enterprise Messaging)
A2P SMS for OTPs, alerts and promotions over 800+ direct operator routes, with sender ID registration, DLT/10DLC compliance, SMPP/HTTP APIs and a campaign portal.
- unified communications
Cloud Contact Centre (CCaaS)
Cloud contact centre with omnichannel routing across voice, chat, email, WhatsApp and social, plus skills-based routing, IVR, dialler, WFM, QM and CRM integrations.
- connectivity
MPLS / IP-VPN
Managed Layer-3 MPLS IP-VPN with any-to-any routing, QoS classes for voice, video and data, managed CPE and end-to-end SLAs across a 1.4 Tbps global backbone.
- security
DDoS Protection & Mitigation
Carrier-grade DDoS mitigation: 5 Tbps+ scrubbing, always-on or on-demand, BGP/GRE and DNS proxy delivery, L3–L7 coverage, sub-60-second mitigation SLA and reporting.
- security
Managed Detection & Response (MDR) & SOC
24×7 SOC-as-a-service with SIEM/XDR, threat hunting, incident response, threat intelligence and playbooks, plus telecom detection for SIP, SMS and signalling fraud.
Banking & Financial Services - common questions.
The questions customers and carriers ask us most often before they interconnect. If yours is not here, our team answers within one business day.
Still have a question?
Ask our solutions teamAlso serving.
- Contact Centres & BPO
CLI-guaranteed outbound termination, inbound toll-free and DIDs in 100+ countries and a CCaaS stack that scales from 20 seats to 20,000 - for operators who live by answer rates and cost per minute.
- Carriers, MNOs & MVNOs
Wholesale voice and SMS, bilateral interconnection, roaming and signalling, A2P monetisation and number hosting - from a carrier that operates 600+ direct interconnects and 800+ SMS operator connections.
- Healthcare & Life Sciences
Appointment reminders that cut no-shows, telehealth voice and video APIs, number masking that protects patient privacy and connectivity built for clinical uptime - with GDPR- and HIPAA-aligned controls.
- E-commerce & Retail
Order OTPs and shipping notifications at peak-season scale, WhatsApp and RCS engagement, delivery number masking, omnichannel support and store connectivity - one carrier across the whole customer journey.
- Travel, Hospitality & Logistics
Booking and gate-change alerts in any country, local numbers for every property and hub, IoT SIMs and fleet tracking across borders, and a contact centre that follows the sun.
- Media, Broadcast & Gaming
Contribution and distribution circuits for broadcasters, CDN and live-event connectivity, a low-latency 1.4 Tbps backbone, DDoS protection for game servers and voice and chat APIs for in-game communities.
- SaaS, ISVs & Startups
Voice, SMS, verify and video APIs on a carrier's own network, numbers in 110+ countries, white-label reselling and usage-based pricing - from your first sandbox call to your first hundred million.
Let’s talk about banking & financial services.
Speak to a specialist who has deployed these solutions in your sector. We will bring reference architectures and a commercial model to the first call.
