What is TTY Mode? Why Should I Use It

TTY Mode

TTY mode stands for teletypewriter which is the device that is best used by the impaired, deaf, or those who have issues in the hearing. This device is best designed in the initial form for the phones of landline. In today’s era, they are in use with both of the cell phones as well as for the landlines.


Let’s understand here what is TTY mode and the use of it.

TTY Mode on Phones

TTY device is used for communication by people with hearing impairments and also with speech. Users along with the speech of impairment can be there for the typing of the message on the machine of TTY and will send the message through the line of phone or the signal of mobile.

Users who have the issue of impairments in hearing, TTY machine have the feature of voice messages which converts them into text messages by which users can read them easily. There are also various features available in it.

TTY machine gives the allowance for the communication in continuous form without the recipient of the constant form of messages along with the updates from the text messages. Most of the phones now of TTY mode in them. There are usually three types of TTY modes. They are TTY VCO, TTY full, and TTY HCO.

Here we have different procedures of using the TTY mode in various devices:-

TTY Mode in the Android devices (Turn on or Turn off)

Step 1

Click on the tab of Applications in your device.

Step 2

After that, go for the Settings application there.

Step 3

Now click on the Call option from the application of Settings.

Step 4

Do the selection of the TTY mode there from the menu of the call.

Step 5

Select the required TTY mode which you want. As there are three types of it, select the one which you require.

Step 6

After that, click on the back option to open the main menu for making the call. Users can now do the selection that either they want to do the normal call, or by the selection of TTY mode.

TTY Mode on the iPhone devices (Turn on or Turn off)

Step 1

Firstly, go to the app of Settings on your device.

Step 2

After that, click on the General option from the menu of Settings.

Step 3

Then click on the Accessibility option from the given menu.

Step 4

Do the selection of the TTY. Now go for the built-in Software TTY or you will get the attach an external device through – Hardware TTY option there.

Step 5

Now exit there and go to the Home screen.

Step 6

Go for the selection of Phone.

Step 7

Select the person with whom you want to make a call.

Step 8

When the screen will open thereof call, click on the button of TTY.

Step 9

Type there the message which you want to send for the beginning of the call.

If the users have turned on the TTY mode on their iPhone devices, then they can make the call along with or without the mode of TTY.

Options available for communicating with people with hearing impairments

Video Calling

For better communication who have the issues of hearing and speech impairments do the use of sign language for it. People who have such disabilities can use the services of video conferencing to talk with their friends and relatives through the use of sign language. There are apps of Google Hangouts, Facetime, and also Skype available for accessing video calling.

Text Message

Those who have the impairments of hearing and speaking can go for the easy form of communication that is text messaging. It is easy to access and is build in every phone, tablet, and computer and does not get any forms of extra needs for it.

Video Relay

There is the relay service of Telecommunications which makes the personable for the use of sign language of American forms to be communicated with the use of telephone voice by the use of equipment of video other than the text. It gets linked with the VRS user to the operator of TRS which will be great for the conversation in signed type.

Wrapping Up

TTY mode is the best option for people with impairments of hearing and speaking who can use this for voice and video technology. In today’s era, cell phones are in equipment with the inbuilt technology of TTY. It is great knowledge for such people as it will help them in many ways. Give it a read and tell us about it in the comment section.

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