Meta Reach Marketing provides fast, TRAI-compliant voice OTP calls across India. Protect your users with automated OTP delivery for banking, e-commerce, apps, and enterprise logins. No internet required on the recipient's device.
Meta Reach Marketing provides a reliable voice OTP service that delivers one-time passwords directly to your users via an automated phone call — no SMS required. Our OTP call service is trusted by banks, fintech platforms, e-commerce businesses, and enterprises across India for fast and secure identity verification.
Unlike SMS-based OTPs, voice OTPs cannot be intercepted by SIM swap attacks or SMS-reading malware. The OTP is spoken aloud over a phone call, making it accessible even on basic handsets without internet connectivity — ideal for pan-India deployments including tier-2 and tier-3 cities.
Getting started is simple. Contact us today to activate your voice OTP service provider account and start sending OTP calls within 24 hours. Call us at +91-7669999219 or request a free demo.
Our voice OTP uses automated outbound calls with encrypted delivery, making it far harder for hackers to intercept compared to SMS OTPs. Ideal for banking and financial services across India.
OTP calls are delivered in English, Hindi, and regional Indian languages, ensuring broad reach and user comprehension across all states and demographics.
Voice OTPs are delivered in under 10 seconds, ensuring quick and smooth verification without delays. Trusted by financial institutions and e-commerce platforms for high-volume, time-sensitive voice OTP service needs across India.
Voice OTP is delivered via a standard phone call — no smartphone or internet connection needed on the recipient's device. This makes it the preferred voice OTP service provider choice for pan-India reach including rural and semi-urban markets.
Voice OTP works on mobile phones, landlines, and smart devices, making it easy to integrate across different platforms and use cases without any special hardware.
Our dedicated support team is available round the clock — 24 hours a day, 7 days a week. Reach us via phone, email, or live chat. We guarantee response within 2 hours for all critical issues. Support is available in English and Hindi.
Ready to integrate? Explore our voice OTP API or call +91-7669999219 to get started with a free demo today.
Join hundreds of businesses across India using Meta Reach Marketing's Voice OTP service. Get a free demo, competitive pricing, and dedicated onboarding support — all within 24 hours.
How voice OTP works: When a user initiates a login or payment, your system sends an API request to Meta Reach Marketing's voice OTP gateway. Our system immediately places an outbound call to the user's registered number. An automated IVRS reads the OTP digits clearly — twice — and the call ends. The user enters the digits on your platform to complete verification. The entire process typically takes under 10 seconds from API trigger to call delivery.
When it's used: Voice OTP is deployed in four situations — (1) when SMS OTP delivery fails due to network congestion or operator filters, (2) when the user is on a feature phone without a messaging app, (3) when the business targets elderly users who struggle reading small text on screen, and (4) in rural coverage areas where data connectivity is weak but voice calls connect reliably.
Regulatory compliance: Voice OTP calls are TRAI-approved, routed through DLT-registered infrastructure, and classified as transactional voice calls. They are exempt from DND restrictions since they are service-critical communications, not promotional. This means your voice OTP will reach the user regardless of their DND status.
Related: Learn how OTP SMS services compare, and how combining both channels through a dual-channel strategy can push your total OTP delivery rate above 99%.
OTP calls are connected in under 10 seconds from the moment your system sends the API request. No queuing delays during normal traffic.
OTP is read out in Hindi, English, and supported regional languages. Users across all states understand the message clearly.
If the user does not answer the first call, our system retries automatically after a configurable interval — improving delivery without manual intervention.
Optional DTMF integration lets users confirm receipt by pressing a key — useful for COD confirmations and consent-based verification flows.
Real-time dashboard shows call status, duration, answer rate, retry count, and failure reasons — giving you complete visibility over every OTP transaction.
Simple REST API with JSON responses. Your developers can integrate voice OTP into any platform — web, app, or backend — in under a day with our documentation.
If the voice call is unanswered after all retries, the system can automatically send an SMS OTP as a fallback — maximising your overall OTP delivery rate.
Our pan-India voice OTP network covers all telecom circles with redundant carrier routes, achieving industry-leading delivery rates across urban and rural India.
A significant portion of India's population still uses basic keypad phones. Voice OTP reaches them where SMS apps and internet-based authentication simply cannot.
Voice coverage extends further than data coverage in many parts of India. Users in tier-3 towns and rural districts who can't receive WhatsApp notifications can still receive a phone call reliably.
SMS OTP is vulnerable to SIM-swap attacks where a hacker convinces the operator to port your number to a new SIM. Voice OTP does not carry this risk — the call cannot be silently redirected without the user noticing.
Elderly users often struggle to locate and read a 6-digit SMS OTP in time. A spoken OTP is far easier — they hear it clearly, write it down, and enter it without hunting through messages.
Use SMS OTP as the primary channel and voice OTP as the automatic fallback. When both channels are active, your combined delivery rate consistently exceeds 99% — critical for banking, payment, and e-commerce verification flows.
Unlike bulk SMS promotional campaigns, voice OTP is classified as a transactional communication. It is fully TRAI compliant and not blocked by DND registration. Your users will always receive their OTP call.
Voice OTP is billed per call, not per message. The price you pay depends on several factors. Here is what determines your final per-call rate:
| Pricing Factor | How It Affects Cost |
|---|---|
| Per-call charge (billed per 30 seconds) | A call that lasts 40 seconds is billed as two 30-second units. Shorter OTP calls mean lower cost per verification. |
| Number of retries allowed | Each retry attempt is a separate call. Plans that allow 2-3 retries will cost more per unique user than single-attempt plans. |
| Peak-hour traffic surcharges | High-demand windows (9 AM–12 PM and 5 PM–8 PM) may attract slight premium charges on shared gateways. |
| Volume commitment | Higher monthly call volume = lower per-call rate. Prepaid packages offer better pricing than pay-as-you-go. |
| Language customization | Standard English/Hindi OTP calls are included at base price. Custom regional language recordings or branded voice messages may have a setup fee. |
| Dedicated vs. shared gateway | Dedicated gateways guarantee throughput and uptime at a premium. Shared gateways are cost-effective for low-to-mid volumes. |
| SLA requirements | 99.9% uptime SLA with priority support and dedicated account management adds to the contract cost for enterprise clients. |
Contact Meta Reach Marketing for a volume-based quote tailored to your verification requirements. Also explore our IVR services for more complex call-based workflows.
Login and transaction verification for customers who do not receive SMS OTP — a common issue for NRI customers on foreign SIMs and rural customers with weak data connectivity. Banks use voice OTP as the automatic second attempt after SMS failure.
COD order confirmation via voice call — the IVRS asks "Press 1 to confirm your delivery address at Sector 62, Noida." This reduces return-to-origin rates significantly by ensuring the customer acknowledges the order before dispatch.
Citizen verification for DigiLocker, Jan Dhan Yojana, and subsidy disbursement systems. Voice OTP ensures that beneficiaries in low-literacy areas can still complete identity verification — the spoken OTP removes the reading barrier entirely.
Patient identity verification before sharing lab reports or prescriptions via telemedicine platforms. A voice OTP confirms the correct patient is accessing sensitive health data — critical for HIPAA-equivalent compliance in India's digital health ecosystem.