#RTT Calling
1 Stories
What Is RTT Calling and How to Enable It?
View quick summary
RTT (Real Time Texting) Calling, an accessibility feature for people with hearing or speech impairments. RTT allows instant messaging during a phone call, without needing to press "Send". It's similar to TTY mode but doesn't require specialized hardware. The feature must be enabled in settings and is supported by certain devices and carriers.