Guide for RTT TTY Call on iPhone Ios Devices

Guide for RTT TTY call on iPhone,Mac computer and iOS devices.

What is RTT and TTY call on iPhone?

Now what is RTT real time text.  Along with voice call we are using text for communication.
           TTY is text telephone. Normally TTY are special devices used by people who has hearing problem. RTT is services used in calling app which is now available on most recent smartphone. Some TTY device can use with telephone line. As you type message on TTY device, it will send as voice call to other person. But with modern smartphone, you don’t need special devices. There is an app service installed within your mobile.
 

How to make RTT / TTY call on iPhone.

 
To make RTT call, turn on services app on iPhone or iOS devices. Go to setting – general – accessibility – turn on RTT / TTY services.
Now select contact, tap on make a call you will see three options.
1) Normal voice call.
2) RTT TTY call.
3) RTT / TTY relay call.
Choose option accordingly. Even when you make RTT call audio remains on. So voice call will active at that time. To turn off audio, tap on mike symbol and mute it.
 

Setup RTT call on MAC OS computer.

 
Open system preferences – accessibility – select RTT – enable RTT.  Now you will see RTT option when you make call.

Advantage of RTT call?

 
         It is mainly for people with hearing problem. But it is also used by normal people. As we are in meeting and we get urgent call. We cannot talk but we can text him. Another advantage is we are enjoying at Christmas fair having loud dj with 4g sound effect. We got a call. We are not able to listen other person sound because of high surrounding sound. We use RTT option and text him. 
 

Question about RTT / TTY call.

 
Will RTT call work only on iOS devices like iPhone?
No, RTT call also work on android devices.
 
Will all apple devices have RTT facility?
Apple gadgets iphone6 and later definitely have these features. Along with that ios 11.2 and later also have these features. At&t has its own app for this and there are apps available on playstore.
 
RTT is only text communication?
No, it is text and voice call.

3 comments:

Unknown said...

I WANT TO TURN OFF RTT BUT GO INTO SETTINGS N NO PLACE TO TURN IT'S A REAL BOTHER HAVING RTT ON I WANT IT OFF 📴📴 PERMANENTLY THANK YOU

Unknown said...

I WANT RTT TURNED 📴 PERMANENTLY WENT INTO SETTINGS ACCESSIBILITY NO PLACE TO TURN OFF HELP 🆘🆘

Anonymous said...

On iPhone RTT option available under setting general - accessibility.