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Voice Solution Services

CLI-Based Voice SMS Service in India for Higher Pickup & Better Engagement

Send bulk voice calls across India with mobile-like caller ID for reminders, alerts, promotions and collections - trusted by businesses nationwide.

Tick Icon 1 Mobile-like CLI for higher call pickup.

Tick Icon 2 Pan India voice delivery.

Tick Icon 3 Multilingual voice support.

Tick Icon 4 Fast campaign launch.

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Trusted by 35,000+ Businesses Across India 15+ Years Experience 99.9% Uptime Pan India Coverage Real-Time Reporting Detailed Call Reports
Trusted by 35,000+ Businesses Across India 15+ Years Experience 99.9% Uptime Pan India Coverage Real-Time Reporting Detailed Call Reports
What is Voice SMS
Since 2011
Voice SMS Service Provider

What is Voice SMS

Voice SMS is an automated communication method where pre-recorded voice messages are delivered as phone calls to users.

It is widely used for:

Tick Icon 1 Payment reminders

Tick Icon 2 Appointment alerts

Tick Icon 3 Promotions

Tick Icon 4 Customer notifications

Compared to text SMS, voice calls have significantly higher engagement and response rates.

Services

Our Voice SMS Services

Bulk Voice Call Campaigns

Send thousands of voice calls instantly across India with high delivery reliability.

Mobile Like CLI Based Voice SMS Service

Display mobile-like caller ID to improve trust and pickup rates.

Promotional Voice Calls

Run marketing campaigns using voice broadcasting for better engagement.

Transactional Voice Calls

Send important alerts like OTPs, reminders and notifications.

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Why us

Why choose Voice SMS

Tick Icon 1 Mobile-like CLI display for better response.

Tick Icon 2 Fast campaign setup within minutes.

Tick Icon 3 Pan India delivery network.

Tick Icon 4 Multilingual voice support.

Tick Icon 5 Detailed reports & analytics.

Tick Icon 6 Scalable for startups to enterprises.

Tick Icon 7 Dedicated support team.

Huge experience

Customer services

Strong team

Quick support

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FEATURES
Feature Highlights

Built for power,
designed for
simplicity.

Every feature in our platform is engineered to give you maximum control over your voice campaigns — from scheduling to delivery optimisation.

All features included — no add-ons
01
CLI-Based Calling
Choose your own Caller Line Identity so recipients see a trusted, branded number — boosting answer rates.
Caller ID
02
Campaign Scheduling
Set campaigns to fire at the exact date and time for maximum impact — automate your entire outreach calendar.
Automation
03
Bulk Number Upload
Upload thousands of contacts via CSV in seconds. No manual entry, no limits — reach your entire list instantly.
Import
04
Real-Time Reports
Live dashboards show answered, unanswered, and failed calls the moment they happen — no delays, full transparency.
Analytics
05
API Integration
Plug our REST API directly into your CRM, ERP, or custom platform and trigger voice calls programmatically.
Developer
06
Retry & Delivery Optimization
Automatically retry unanswered calls at smart intervals to maximise delivery without overwhelming recipients.
Smart Retry
⚙ How It Works

Launch your Voice Campaign
in minutes

Reach thousands of customers with a personalised voice message — zero complexity, full control.

Upload Mobile Numbers
Upload Mobile Numbers
Import your contact list via CSV or paste numbers directly into the dashboard.
Record or Upload Message
Record or Upload Message
Record live in your browser or upload a pre-recorded audio file in seconds.
Select CLI and Schedule Message
Select CLI and Schedule Message
Choose your Caller Line ID and set the exact time your campaign should fire.
Launch Bulk Voice Calls
Launch Bulk Voice Calls
Hit send and watch simultaneous calls go out to your entire list at scale.
Track Delivery & Reports
Track Delivery & Reports
Real-time analytics on answered, unanswered, and failed calls — all in one dashboard.
No Technical Skills Needed
99.9% Uptime SLA
Pan-India Coverage
Live Reports
Start Your Free Campaign
Industries We Serve

Trusted across every
major industry

We provide voice SMS solutions tailored for the unique communication needs of businesses across India.

Schools & Educational Institutes
Fee reminders, exam alerts & parent notifications at scale.
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Hospitals & Clinics
Appointment reminders, health camps & patient follow-ups.
₹
Finance & Collection Agencies
EMI reminders, payment alerts & overdue notifications.
Real Estate Companies
Project launches, site visit invites & lead follow-ups.
★ ★ ★ ★ ORDER CONFIRMED ✓
Ecommerce Businesses
Order confirmations, shipping updates & sale announcements.
VOTE FOR CHANGE
Political Campaigns
Voter outreach, rally announcements & campaign messages.
MEGA STORE % %
Retail Chains & Franchises
Sale promotions, loyalty offers & store opening alerts.
★★★★★ ≋ POOL ≋
Travel & Hospitality
Booking confirmations, travel alerts & guest engagement.
View Industry Solutions

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Years in IT Service

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Running Projects

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Happy Customers

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Location Presence

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Common Use Cases

One platform, many solutions

From schools to hospitals, our voice SMS platform adapts to every communication need — instantly and at scale.

01
Fee Reminders for Schools
Automate fee due alerts directly to parents. Cut defaults, save admin time, and keep finances on track every term.
Education
02
EMI & Payment Reminders
Reach borrowers before due dates with personalised voice nudges that improve collection rates.
Finance
03
Appointment Confirmations
Eliminate no-shows with automated voice confirmations sent hours before every appointment.
Healthcare
04
Delivery Updates
Keep customers informed at every step — dispatched, out for delivery, and delivered on time.
Ecommerce
05
Promotional Campaigns
Launch flash sales, seasonal offers and new arrivals directly into your customer's ear — at scale, in seconds.
Marketing
06
Emergency Alerts
Broadcast critical updates to thousands instantly — outages, closures or safety notices delivered in under a minute.
Critical
FAQs

Frequently ask questions

Voice SMS is an automated calling system that delivers recorded voice messages to users.

Yes, we provide pan India voice SMS delivery.

We provide mobile-like CLI display using approved numbers so your calls appear like regular mobile calls, improving trust and pickup rates.

Schools, hospitals, finance, ecommerce, real estate and political campaigns widely use voice SMS.

Yes, when used as per telecom regulations and guidelines.

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Testimonials

What's our clients say

“We have bought a small package of leads for Real Estate and got very good leads from there. Team is professional and they are doing amazing job. Their marketing and promotional activities are really result oriented.”

Mr. Rakesh Banga

Owner - Resale Zone

“From last 5 years I am taking various services from Covalent Softwares. They people have excellent support team. I really appreciate their work.”

Dr. Rohit Gupta

Director - Neurology, Fortis Hospital

“I think they are one of the best in this industry not only in terms of behavior, but in terms of their work also. God bless them.”

Mr. Vijay Dutt Tiwari

Owner - Jagriti Classes

“Last 5 years we have been working with Covalent softwares We haven't had any problems yet. Thanks Nabarun Gupta your service is very good.”

Mr. Dilip Baghel

Owner - Mec Tech Machines & Tools

“I am reseller of this company. I am happy here with service and staff !”

Mr. Surendra Kumar

Partner - Quarainfotech Services

“Very active people and good service”

Mr. Rajender Thakur

Owner - Shivam Shakti Tools

“Completely Satisfied by the service. Customer friendly.”

Mr. Anurag Mandal

Director - Kavya Edutech Services Pvt. Ltd.

“Awesome Website Development And Bulk SMS Good Service Provider.”

Mr. Rahul Gupta

Owner - Central Bazar
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Ready to Send Voice SMS Campaigns Across India?

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