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Apple iPhone
Manage RTT / TTY Settings

2026-05-03 18:12:29.239
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Apple iPhone <\/div><\/span> Manage RTT \/ TTY Settings<\/div><\/h1>
Managing RTT or TTY settings helps you set up your Apple®<\/span> iPhone®<\/span> for accessible communication via text\u002Dbased calls if you\x27re deaf or hard of hearing.<\/div><\/div>

Set up RTT \/ TTY<\/div><\/h2>
  1. Open the
    Settings app<\/div><\/span>.<\/div><\/span><\/div><\/li>
  2. Navigate:
    Accessibility<\/div><\/span>
    RTT \/ TTY<\/div><\/span><\/div><\/span>.<\/div><\/span><\/div><\/li>
  3. Tap the
    Software RTT switch<\/div><\/span> to turn on.<\/div><\/span><\/div><\/li>
  4. When Software RTT is enabled:<\/div><\/span>
    1. Tap the
      Send Immediately switch<\/div><\/span> to turn on.<\/div><\/span><\/div><\/li>
    2. Tap the
      Answer All Calls as RTT \/ TTY switch<\/div><\/span> to turn on then tap
      Answer All Calls as RTT \/ TTY<\/div><\/span> to confirm.<\/div><\/span><\/div><\/li><\/div><\/ol><\/div><\/li>
    3. Tap the
      ±á²¹°ù»å·É²¹°ù±ðÌý°Õ°Õ³ÛÌý²õ·É¾±³Ù³¦³ó<\/div><\/span> to turn on or off.<\/div><\/span><\/div><\/li><\/div><\/ol><\/div> <\/div> <\/div> <\/div>

      Place and End an RTT \/ TTY Call<\/div><\/h2>
      1. Open the
        ±Ê³ó´Ç²Ô±ðÌý²¹±è±è<\/div><\/span>.<\/div><\/span><\/div><\/li>
      2. Select a contact or enter the 10\u002Ddigit mobile number.<\/div><\/span><\/div><\/li>
      3. Tap the
        Phone icon<\/div><\/span> then tap \x27RTT \/ TTY Call\x27 or \x27RTT \/ TTY Relay Call\x27.<\/div><\/span><\/div><\/li>
      4. When the call is connected, tap the
        RTT<\/div><\/span>.<\/div><\/span><\/div><\/li>
      5. From the message field, type your message.<\/div><\/span>