Your message deserves to be heard — not ignored. Texts get skipped. Emails land in spam. But a phone call still stops someone. Our Bulk Voice Call Service sends your recorded message to thousands simultaneously — no call centre, no manual dialling, no headaches.
Starting from ₹0.07 per answered call — pay only when someone picks up
A Bulk Voice Call Service (also called OBD — Outbound Dialing) is an automated system that simultaneously dials thousands of phone numbers and plays a pre-recorded audio message when a call is answered — with no human operator needed. In India, it is used for payment reminders, election campaigns, hospital appointments, school fee alerts, e-commerce order updates, and emergency notifications. You pay only for calls that are actually answered; busy, unreachable, and switched-off numbers cost nothing. MetaReach Marketing is a TRAI-registered OBD Service Provider — all campaigns run through DLT compliance as mandated by Indian telecom regulators.
OBD Service Provider
You record a message — even 20 seconds works. Hand us a list of phone numbers. We dial all of them. When someone picks up, your recorded audio plays automatically. No operator needed. No one manually hitting redial a hundred times. Once the campaign starts, it runs entirely on its own.
In the telecom industry, this process is called OBD — Outbound Dialing. As an OBD Service Provider, we own and manage the complete calling infrastructure that makes this work behind the scenes. You've probably received one yourself — a bank reminding you about an EMI, a hospital confirming tomorrow's appointment, or a candidate asking for your vote. All of that runs on an Automated Voice Call Service.
Fair question — there are other providers. Here is what our clients tell us makes the actual difference, campaign after campaign.
Switched off, unanswered, or busy? You don't pay. Most competitors charge per attempt. We charge per connected call — saving clients 25–40% on large campaigns.
Upload at 11 AM, campaign running by 11:08 AM. No approval queues, no warm-up periods, no email back-and-forth. If your file is ready, the campaign goes.
Hindi, Tamil, Telugu, Bengali, Marathi, Gujarati, Kannada, Odia, Punjabi, and English. When someone hears their own language, they pay attention — response rates improve significantly.
Our built-in auto re-dial quietly retries numbers that didn't connect — busy signals, temporarily unavailable lines, unanswered calls. Higher reach with zero extra effort from you.
While your campaign runs, you see calls connected, calls retried, and live answer rates in real time. No waiting until the next morning to understand campaign performance.
Every campaign runs through DLT registration as required by TRAI. We handle all compliance on our end — your brand stays clean and out of trouble with regulators.
From simple one-shot campaigns to API-driven automated call flows, we cover the full spectrum of voice communication needs for Indian businesses.
The core offering — give us a recorded message and a contact list and we dial all of them at once. Works for promotions, EMI reminders, announcements, lead follow-ups, and political outreach. Thousands of calls dispatched simultaneously to mobile and landline numbers.
Record once, reach everyone. Built for situations where a message must reach a very large audience very quickly — public health alerts, city-level promotional drives, company-wide announcements. Audio quality holds up regardless of network conditions on the receiver's end.
For businesses that want calls to trigger automatically based on system events — not because someone pressed a button. Connect to your CRM or billing platform via our REST API and calls go out on their own. Perfect for payment due alerts, Voice OTP delivery, dispatch updates, and appointment confirmations.
Add press-key options to your broadcast. After the message plays, the listener presses 1 to speak to someone, 2 for more information, 3 to opt out. A one-way message becomes an interactive conversation — which is measurably more effective. Pairs perfectly with our IVR services.
Someone gives a missed call to your number — easy for them, costs nothing, takes two seconds. Our system immediately calls them back with your pre-recorded message or connects them to your team. Genuinely one of the best-converting lead formats in the Indian market. Learn more about our Missed Call Service.
From banks to schools to election teams — voice reaches people when text simply cannot.
Banks & NBFCs
EMI reminders, loan alerts, KYC updates
E-Commerce
Order confirmed, out for delivery, return status
Hospitals & Clinics
Appointment reminders, report-ready notifications
Schools & Universities
Fee reminders, exam dates, parent communications
Real Estate
Site visit calls, project launches, inquiry follow-ups
Political Campaigns
Voter outreach, rally details, candidate voice messages
Government & NGOs
Public awareness drives, scheme notifications, emergencies
Travel & Hotels
Booking confirmation, check-in reminders, feedback calls
Looking for SMS & digital marketing to complement your voice campaigns?
Most clients go from sign-up to live campaign in under 15 minutes. Here is exactly how it works, step by step.
Record an MP3 or WAV file, or simply type out your message and use our built-in text-to-speech tool — it converts written text into a natural-sounding voice in whichever language you choose. Most people have this done in under five minutes.
Bring in an Excel or CSV file. Our system automatically scans the list before a single call goes out — duplicate numbers, formatting errors, and unreachable ranges all get filtered without you having to do anything.
Run it immediately or schedule it for later. Want calls at 10 AM tomorrow? Set it. Want to hit the evening window when people are home from work? Set it for 6 PM. The platform does not lock you into fixed time windows.
Log into the dashboard while the campaign runs and see real-time stats — calls connected, calls retried, answer rates. Once it wraps up, download a per-number report in CSV or PDF. Perfect for clients who need proof of delivery or internal ROI tracking.
No hidden charges, no surprise add-ons. Every feature listed below is part of the standard platform.
| Feature | What It Means for You | Status |
|---|---|---|
| Billed on Answered Calls Only | Unanswered, busy, and switched-off numbers are completely free — they don't appear on your invoice | ✓ Included |
| Live in Under 10 Minutes | No setup delays, no approval queues, no back-and-forth with account managers | ✓ Included |
| 10+ Indian Languages | Speak to customers in the language they grew up with — measurably higher response rates | ✓ Included |
| Auto Re-Dial Built In | System automatically retries busy and unanswered numbers — higher reach, zero extra work | ✓ Included |
| Live Dashboard | See calls connected, calls retried, and current answer rates while the campaign is still running | ✓ Included |
| Scales to Any Volume | 500 calls or 5 lakh calls — same platform, same speed, same reliability | ✓ Included |
| DLT Registered & TRAI Compliant | Every campaign passes through DLT — no regulatory headaches, documented sending records | ✓ Included |
| Full REST API Access | Connect to your CRM, billing tool, or any internal system — calls trigger without manual input | ✓ Included |
| Post-Campaign Reports | Per-number call status in CSV or PDF — ready for client reporting or internal analysis | ✓ Included |
| Dedicated Support | Real people you can actually reach when something needs sorting — not just a ticketing system | ✓ Included |
Each channel has its strengths. Here's how bulk voice calling compares for Indian businesses in 2026 — so you can pick the right channel (or combine them effectively).
| Metric | Bulk Voice Call (OBD) | Bulk SMS | WhatsApp Business API |
|---|---|---|---|
| Attention Level | Highest — a ringing phone demands an immediate response | Medium — easy to swipe past in a busy notification screen | High — chat notification drives opens |
| Works on Feature Phones | ✓ Yes — basic call capability is enough | ✓ Yes — universal | ✗ No — requires smartphone + WhatsApp installed |
| 10+ Indian Languages | ✓ Spoken audio — any language, any accent | ✓ Regional script text | ✓ Text + media |
| Best Use Case | EMI reminders, election outreach, health alerts, large-scale announcements | Promotions, OTPs, transactional alerts, e-commerce | Rich media campaigns, customer service, retargeting known contacts |
| DLT Registration | Required — OBD registration via TRAI DLT platform | Required — Sender ID + template registration | Required — WhatsApp Business API approval |
| Campaign Launch Time | Under 10 minutes | Under 5 minutes | 1–3 days (API approval required) |
| Billing Model | Pay per answered call only — saves 25–40% | Pay per message sent (regardless of delivery) | Pay per conversation (24-hour window) |
The most effective Indian marketing strategies use all three channels together. Explore our Bulk SMS, WhatsApp Business API, and RCS Messaging services.
Genuine questions we get every week — answered plainly, without the marketing fluff.
Explore our guides and resources to understand how voice services fit into your marketing stack.
Key Takeaways — Bulk Voice Call Service India (2026)
From startups to enterprises — brands that grow with MetaReach
