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What is Bulk SMS Service?

Bulk SMS marketing is a technique where text messages are used to spread a promotional message to a large number of people at once. Bulk SMS marketing campaigns can be sent to users to notify them of offers, notifications, emergency information, updates, reminders for better customer experience, and much more..

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Why should businesses use bulk SMS service?

We serve these services for betterment of your business

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Bulk SMS Marketing Campaign

You can use bulk SMS to communicate with a large number of customers at the same time with ease.

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Appointment Reminder

Remind your customers about upcoming appointments and engagments with a timely SMS

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OTP Verification

Implement two-factor authentication for customer safety. Send them an OTP SMS.

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Billing & Payment

Remind your customers about upcoming payments and bills to ensure that they pay on time.

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Life Time Validity & Quick Turnaround Time

Call4’s bulk sms technology provides your business with a lifetime validity check along with a quick turnaround time.

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Instant Activation

After the initial manual setup, campaigns can be sent in just 2-3 clicks

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Data Privacy

Your customers need not worry about data piracy. All data is kept safe and sound with Call4.

Types Of Bulk SMS

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Promotional SMS

Send out an SMS to your potential customers, with an offer they cannot refuse.

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Transactional SMS

Not purely transactional messages but sent only to those who have opted in.

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OTP SMS

Implement two-factor authentication for customer safety. Send them an OTP SMS.

Most Innovative Companies Use Call4

What they say about our services

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Why Call4?

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Unmatched prices

Prices like these will never be found, avail them now.

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Quick setup, easy-to-use

Call4’s quick step makes its technology easy to use for businesses.

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TRAI & DLT scrubbing compliance

Call4 provides TRAI & DLT scrubbing compliance.

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Quick & high delivery rates, guaranteed

Best success rates, voice quality and reduced latency

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Real-time delivery reports

Easy to understand, detailed reports sent in real time.

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Enterprise-grade security

Keep your customer’s data safe and sound.

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Built to handle scale

Grow your business. Allow us to take care of the infrastructure

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Unbeatable platform uptimes

Call4 offers 99.99% SLA-backed uptime with N+1 redundant infrastructure.

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Try Call4’s Bulk SMS ServiceFree for 15 days
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We take away some of the biggest pain points of traditional systems like EPABX.

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