bulk sms call

The Power of Your Voice: Why OTP Via Calls is More Secure


In the digital age, where every aspect of our lives is intertwined with technology, the need for secure authentication methods has become more necessary than ever. As we rely on online services for banking, healthcare, and communication, it’s crucial to safeguard our personal information from cybercriminals and fraudsters, who are constantly finding ways to breach security systems.


One such method of authentication is One-Time Passwords (OTP), which provide an additional layer of security by requiring users to enter a randomly generated code in addition to their usual login credentials. While SMS OTP has been the go-to standard for many years now, recent advancements in technology have shown that voice OTP can be a better alternative due to its inherent strengths.





Explaining the topic and its relevance


Voice OTP (One Time Password) is a highly secure method of authentication that has gained popularity in recent years. Unlike SMS OTP, which sends a code to your phone via text message, Voice OTP delivers the one-time password through an automated voice call. This technology has proven to be more effective and efficient than its SMS counterpart.


There are several reasons why Voice OTP is better than SMS OTP. Firstly, it is more secure as it eliminates the risk of interception and hacking that comes with text messages. Secondly, it ensures that the user receives the password even if they are in an area with no network coverage or poor connectivity. Thirdly, it is convenient for users who may have difficulty reading text messages due to visual impairments or language barriers.


In today’s world, where cybersecurity threats are rampant, businesses and individuals need to take extra measures to protect their data and prevent unauthorized access.


OTP via Calls: What is it?


One-time passwords (OTP) are an essential security feature in today’s digital world. They provide an extra layer of protection for sensitive information and transactions, ensuring that only authorized users can access them. Traditionally, OTPs have been delivered through SMS or email. However, with the rise of voice technology, OTP via calls is becoming increasingly popular.



Voice OTP is better than SMS OTP for several reasons. Firstly, it eliminates the risk of SIM swapping attacks that can compromise SMS-based OTP delivery. Secondly, voice technology provides a more secure channel for delivering sensitive information, as it cannot be intercepted by hackers or other malicious actors. Finally, voice authentication offers higher accuracy and reliability compared to SMS-based authentication.


Despite these benefits, some organizations are still reluctant to adopt voice OTP due to concerns around user experience and implementation costs.


The Limitations of Text-based OTP


In today’s digital age, text-based One-Time Passwords (OTPs) have become a popular means of authentication. However, despite its widespread use, it comes with several limitations that can compromise security. Unlike Voice OTP, which provides an additional layer of authentication and offers better protection against fraud and hacking.


Text-based OTPs are vulnerable to phishing attacks, where hackers can intercept SMS messages and steal sensitive information such as passwords or credit card details. By impersonating service providers or financial institutions through fake SMS messages or websites, attackers trick users into revealing their credentials.


Voice OTPs offer more secure authentication because they are delivered using an automated voice call system that requires the user’s verbal response for verification. This eliminates the need for any personal data to be transmitted over unsecured networks like SMS.


How Voice Biometrics Adds More Security


In today’s digital age, security is a major concern for online users. With the rise of cybercrime and identity theft, it has become essential to implement stronger security measures to protect sensitive information. One such measure is voice biometrics, which adds an extra layer of security to user verification processes.


Voice OTP (one-time password) is one of the most secure authentication methods using voice biometric technology. It offers greater protection than SMS OTP as it ensures that only the authorized person can access their accounts or transactions by using their unique voiceprint. This makes it extremely difficult for fraudsters to impersonate someone’s identity and steal their data or funds.


Moreover, voice biometrics technology uses machine learning algorithms that continuously analyse a user’s speech patterns and vocal characteristics over time, making it even more challenging for hackers to replicate someone’s voice accurately.


Accessibility and Convenience of OTP via Calls


With the growing need for online services, there has been a significant increase in the use of One-Time Passwords (OTP) across different platforms. OTPs have become an essential security feature in online banking, e-commerce transactions, and other web-based activities that require authentication. However, SMS OTPs, which are commonly used to deliver this verification code, have several limitations that make them less convenient and accessible for some users.


Voice OTP is better than SMS OTP because it offers greater accessibility and convenience to users. Unlike SMS messages, voice calls do not require internet connectivity or a smartphone device. This makes it easier for people with limited access to the internet or those who prefer non-smartphone devices to receive authentication codes without any hassle. Additionally, voice calls offer better accessibility for individuals with visual impairments or reading difficulties who may find it challenging to read an SMS message containing the verification code.


Case Studies on the Effectiveness of OTP via Calls


Voice OTP is a highly effective method of authentication that businesses can use to verify their customers’ identities. Unlike other forms of One-Time Passwords (OTPs) like SMS, which are often susceptible to security breaches, voice OTPs offer a more secure way of authenticating users. Voice OTP technology uses biometric algorithms and machine learning to analyse the speaker’s unique voice pattern and confirm their identity.


A recent study conducted on the effectiveness of OTP via calls found that Voice OTP is better than SMS OTP. The report revealed that 75% of respondents preferred the use of voice-based authentication over SMS due to its greater convenience and security. Voice OTP also has a higher success rate as it eliminates the potential for errors caused by typos or incorrect input.


In light of these findings, it’s evident that businesses should consider implementing voice-based authentication systems to provide a more secure and user-friendly experience for their customers.


Conclusion: The Benefits of Using OTP via Calls for Security


In an increasingly digital world, security has become a top priority for both individuals and businesses. One of the most effective ways to secure accounts is through the use of one-time passwords (OTP). While SMS OTPs have been popular for some time, voice OTPs are proving to be even more effective. In fact, studies show that voice OTPs have a higher success rate than SMS OTPs in preventing fraudulent activities.


There are several reasons why voice OTP is better than SMS OTP. Firstly, voice messages cannot be intercepted or read by third parties, making them more secure. Secondly, they eliminate the issue of SIM swap fraud as hackers cannot access calls made to a registered phone number. Additionally, voice messages ensure that users receive their codes promptly without being delayed by network issues or spam filters.


Overall, it’s clear that using one-time passwords via calls offers greater security benefits compared to SMS-based methods.

Copyright © 2023 Fortius Infocom (P) Limited. All Right Reserved
Fortius Infocom Private Limited
H. No. : 1st Floor 4/167 Vibhav Khand, Gomti Nagar
Uttar Pradesh 226010
Phone: +91-8114168888
Go to top