
Make 800–1000 business calls every day with Call Mantra, a Made-in-India Robo Calling & IVR Device. Plug & play system for automated campaigns.
| Specification | Details |
|---|---|
| GSM Bands | Quad-band 850/900/1800/1900 MHz |
| SIM | Nano SIM, 1.8/3V Interface |
| Antenna | 3.5 dB Omni-directional, SMA Connector |
| FXS Ports | 2 × Parallel RJ11, DTMF Dialling |
| Power | 12V DC @ 1.25A Adaptor (100–240V AC Input), 5W Typical |
| Operating Range | -10°C to 60°C, Humidity 45–95% |
| Size / Weight | 163 × 113 × 32 mm / 450 g |
| Mounting | Wall Mount or Table Top |
| Software | Windows 10 and Above, USB Connection |
Call Mantra is a Greater Noida-based hardware company specialising in robo-calling and IVR devices for Indian businesses.
We design, manufacture, and support our products end-to-end — every device is proudly Made in India, ensuring reliability, performance, and dedicated local support.


Founder & Owner
Call Mantra is run by Sanjay Kumar Gupta from Greater Noida.
Before buying, simply send a WhatsApp message to +91 70652 93000 between Monday to Saturday, 9 AM to 7 PM.
Tell him what your business does, and he will honestly guide you on whether this device is the right fit for your business or not.
After you buy, we don’t disappear.
Our team helps you install the software, provides complete training, and supports you until you successfully launch your first calling campaign.
Every device comes with a 1-Year Warranty.
After the first year, you can continue receiving support with our affordable ₹1,000 per year Support Plan.
Call Mantra helps businesses automate customer communication, improve response rates, and save valuable time with powerful Robo Calling and IVR solutions.
Send fee reminders and exam alerts to every parent in one go. A full afternoon of calling becomes a 10-minute task.
Appointment reminders and report-ready calls go out automatically. Fewer no-shows, no front-desk calling marathons.
New listing? Record one message and it reaches your full buyer list the same hour
Reach every booth’s voter list with a recorded message and see live who picked up.
One device does the dialing work of 4–5 telecallers. Your team only talks to people who answered.
Callers press 1 for Sales, 2 for Service. Calls land with the right person without an operator
Compare the ongoing expense of traditional telecalling with the efficiency of Call Mantra Advanced.
| Feature | Traditional Telecaller | Call Mantra Advanced |
|---|---|---|
| Calls per Day | ~200 | 800–1000 |
| Year 1 Cost | ₹2,16,000 | ₹10,030 one-time (Effective ₹8,500 with GST credit) |
| Setup Time | 2 Weeks Hiring & Training | 5 Minutes |
| Sick Leave / Attrition | Frequent | Never |
| Call Recording | Manual, Often Lost | Automatic (Up to 320,000 Minutes) |
| Mistake Rate | High | Zero — Exact Script Every Time |
| IVR / Smart Routing | ✕ | ✅ |
| Live Reporting Dashboard | ✕ | ✅ |
| Works 24/7 | ✕ | ✅ |
| Cost per 10,000 Calls | ₹90,000+ | Only your SIM plan |
Call Mantra is a plug-and-play calling device for Indian businesses. Simply connect it to a Windows PC, insert any SIM, and start bulk voice calls, IVR campaigns, and SMS marketing without hiring a single telecaller.
Calls Per Day
Built-In Support
Bulk SMS Campaigns
Easy Setup
Reliable products deserve reliable support. We’ve got you covered before and after your purchase.
Every Call Mantra device comes with a full 1-year warranty covering manufacturing defects and hardware issues.
After your first year, get priority technical support, software updates, and troubleshooting assistance for just ₹1,000 per year.
Speak directly with our team in English or Hindi.

Start automating your customer outreach with Call Mantra and reach more customers faster than ever.
India’s Trusted Robo Calling & IVR Device For Businesses. Connect any GSM SIM, run automated calling campaigns, send voice promotions and reach more customers without hiring telecallers.

Get complete details about Call Mantra Robo Calling Device, Features, Pricing, Benefits and Technical Specifications.
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