In the present time, the modern messaging apps like WhatsApp, Telegram, and Signal have completely changed the way of communication. Through these apps, we can easily connect with a person sitting in any corner of the world in a moment. Still, TTY (teletypewriter) mode is present as an important feature in mobile phones. The question arises that when advanced apps like WhatsApp are available, why is TTY mode needed? To understand it, we have to understand the functioning of TTY and its special use.
What is TTY mode?
TTY (teletypewriter) mode is a technology that helps people with hearing or speech impairment to make phone calls. It facilitates text-based communication, in which users can communicate by typing through the keyboard. In old times, teletypewriter machines were used for deaf people, but now this technology has been integrated in the form of software into the modern cell phones.
Why is TTY needed despite WhatsApp?
WhatsApp is a powerful messaging platform, but still the utility of TTY mode has not diminished. There are many reasons behind this:
1. Useful in emergency situations
WhatsApp depends on the internet or mobile data like 4G or 5G, while TTY mode works on the normal voice call 2G network. In emergency situations when internet facility is not available, contact can still be established through TTY. For example, deaf or speech impaired people can seek help from emergency helplines like 911 or 112 using TTY.
2. Communication without internet
In a country like India, where internet connectivity is still a problem in many areas, TTY mode remains a reliable option. In rural areas where network coverage is weak, WhatsApp does not work, but TTY runs on the normal network. This is best way to communicate in real time.
3. Essential for special users
TTY mode is a life-saving technology for people with hearing or speech impairment. Despite the option of video calls or voice notes on WhatsApp, many people find text-based communication convenient. In countries like the US, TTY services are legally mandated to ensure equal communication access for people with disabilities.
4. Support for older devices and landlines
Even today, TTY feature is available in many landline phones and basic mobile phones. WhatsApp is limited to smartphones, while TTY can work on any phone – means it can be used on landlines, featured phone / burner phone or modern smartphones. This helps maintain compatibility with older technologies.
Conclusion
WhatsApp and other messaging apps have made communication easier, but the relevance of TTY mode still remains. This technology is an important communication tool for people with disabilities, emergency services, and areas where internet access is limited. As technology evolves, we should not forget that all users have different needs, and simple yet effective technologies like TTY are still the primary means of communication for millions of people.
So, even though WhatsApp has become an integral part of our lives today, the utility of TTY mode cannot be overlooked. It ensures that communication is accessible to everyone, no matter what their circumstances are.
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