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Subhash Kalluri

Subhash is the Founder of FreJun, the global call automation platform. With 8+ years of entrepreneurial experience, FreJun was established to help customers with their voice communication needs. The goal of FreJun is to develop cutting edge technology and solutions to help customers.

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Revolutionizing Two-Factor Authentication with Voice OTP

Technology /

In 2025, cybersecurity threats are at an all-time high, making robust authentication methods more critical than ever. Traditional two-factor authentication (2FA) methods, such as SMS and email-based OTPs, are increasingly vulnerable to phishing, SIM swapping, and man-in-the-middle attacks. To counter these risks, voice-based OTPs (One-Time Passwords) are emerging as a revolutionary solution, offering enhanced security, […]

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Voice OTP vs SMS OTP: Which One Is More Secure?

Technology /

In today’s digital age, where online security is of paramount importance, one aspect that often comes into play is the use of One-Time Passwords (OTPs). These temporary codes provide an additional layer of protection by verifying the authenticity of users during online transactions or account logins. However, there are different methods for delivering OTPs, with

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Voice-Based OTP Authentication: Boosting Security & Convenience

Technology /

Data security is paramount, organizations are constantly seeking innovative ways to protect their customers’ sensitive information. One such solution that has gained popularity in recent years is Voice-Based OTP (One-Time Password) authentication. This cutting-edge technology not only enhances security but also offers unparalleled convenience for users. In this article, we will delve into the concept

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11 Best Alternatives to Ooma for Reliable VoIP Service

Cloud Telephony /

In today’s interconnected world, Voice over Internet Protocol (VoIP) has changed the way we communicate. Ooma, a popular VoIP service provider, has been offering affordable and feature-rich telephony solutions to businesses and residential users. However, with the rapid advancements in technology and the ever-expanding landscape of communication services, numerous alternatives to Ooma have emerged, each

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Make Free Online Calls to India Quickly in 5 Minutes

international calling /

Staying connected with friends, family, and business partners in India has never been easier. In 2025, technology has evolved to offer seamless, high-quality free online calls without the need for expensive phone plans. If you’re looking for a fast, reliable, and cost-effective way to make calls to India, FreJun is the ultimate solution. With its

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Unlock International Calling with HubSpot & FreJun Integration

international calling /

In 2025, businesses are expanding globally at an unprecedented rate, making seamless international communication a necessity. HubSpot, a leading CRM platform, empowers businesses with customer relationship management, but when it comes to international calling, integrating with the right tool is crucial. That’s where FreJun comes in a game-changing solution for effortless global calling directly from

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Easier International Calling with FreJun & Pipedrive

international calling /

In 2025, Interconnected world, international communication is essential for businesses to thrive in global markets. However, the challenges of international calling can often be overwhelming. From time zone differences and high costs to poor call quality, these obstacles can hinder effective communication and hinder business growth. But fear not, because with the integration of FreJun

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Zoho CRM with FreJun

Integrate FreJun for International Calling in Zoho CRM

Integration /

In today’s global market, effective communication is crucial for businesses to succeed. Whether you’re collaborating with international partners or expanding your customer base to different countries, the ability to make international calls directly from your customer relationship management (CRM) system can streamline your communication process and enhance your business operations. Integrating international calling capabilities within

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Make International Calls Easier with CEIPAL & FreJun

international calling /

In today’s globalized world, communication plays a vital role in the success of any business. However, international calls can often be a challenge due to various factors such as time zone differences, language barriers, and high costs. Thankfully, with the integration of CEIPAL and FreJun, these challenges can be overcome, making international calls easier and

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