In a groundbreaking development that is set to reshape mobile communication, Apple and Google havealtered the game by introducing Real-Time Text (RTT) technology. For the first time, users will be able to seamlessly integrate text within traditional voice calls on their smartphones. This watershed moment is gaining significant traction as a “Google News” topic and promises to enhance both convenience and accessibility.

What is Real-Time Text (RTT)?

RTT is a revolutionary technology that allows simultaneous text communication during a voice call. Unlike traditional SMS or messenger apps, RTT doesn’t require any additional software installations. It’s coming built into many modern smartphones, particularly iPhones running iOS 18.5 and newer Samsung models.

Scheduled to be compulsory in German mobile networks by June 28, 2025, RTT is poised to become a staple feature, particularly due to its integration as per the EU Directive 2019/882, the Barrierefreiheitsstärkungsgesetz (BFSG).

How Does RTT Work?

Imagine talking on the phone while simultaneously texting in real-time. With RTT, users can type messages that appear instantly on the recipient’s screen. This is especially useful for those who prefer text over voice or need to communicate quietly in public situations.

By mid-2027, RTT will also be mandatory for emergency services, offering a lifeline for situations where speaking aloud is not feasible.

Handset Compatibility

All mobile devices released after June 28, 2025, will support RTT technology. Older models may receive updates to become RTT-capable, ensuring broader accessibility to this innovative feature.

ODE believes software updates will enable many existing devices to support this technology, broadening its reach across various smartphone models.

Future Implications

The introduction of RTT underscores a larger trend towards more inclusive communication tools. As voice recognition and AI continue to evolve, RTT offers a viable solution for better accessibility and user experience across numerous platforms.

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