diff --git a/audio_platform_info_tavil.xml b/audio_platform_info_tavil.xml
index 1bdc769..c3f9ee5 100644
--- a/audio_platform_info_tavil.xml
+++ b/audio_platform_info_tavil.xml
@@ -76,6 +76,10 @@
         <device name="SND_DEVICE_OUT_BT_SCO_WB" backend="bt-sco-wb" interface="SLIMBUS_7_RX"/>
         <device name="SND_DEVICE_OUT_SPEAKER_AND_BT_SCO" backend="speaker-and-bt-sco" interface="QUAT_MI2S_RX-and-SLIMBUS_7_RX"/>
         <device name="SND_DEVICE_OUT_SPEAKER_AND_BT_SCO_WB" backend="speaker-and-bt-sco-wb" interface="QUAT_MI2S_RX-and-SLIMBUS_7_RX"/>
+        <device name="SND_DEVICE_OUT_VOICE_TTY_FULL_USB" backend="usb-headset" interface="USB_AUDIO_RX"/>
+        <device name="SND_DEVICE_OUT_VOICE_TTY_VCO_USB" backend="voice-tty-vco-usb" interface="USB_AUDIO_RX"/>
+        <device name="SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET" backend="voice-tty-hco-handset" interface="QUAT_MI2S_RX"/>
+        <device name="SND_DEVICE_IN_VOICE_TTY_FULL_USB_MIC" backend="usb-headset-mic" interface="USB_AUDIO_TX"/>
     </backend_names>
     <app_types>
       <app uc_type="PCM_PLAYBACK" mode="default" bit_width="16" id="69936" max_rate="96000" />
diff --git a/mixer_paths_tavil.xml b/mixer_paths_tavil.xml
index 9357848..277d7bd 100644
--- a/mixer_paths_tavil.xml
+++ b/mixer_paths_tavil.xml
@@ -761,6 +761,14 @@
       <path name="low-latency-playback bt-sco-wb"  />
     </path>
 
+    <path name="low-latency-playback voice-tty-hco-handset">
+        <ctl name="QUAT_MI2S_RX Audio Mixer MultiMedia5" value="1" />
+    </path>
+
+    <path name="low-latency-playback voice-tty-vco-usb">
+        <ctl name="USB_AUDIO_RX Audio Mixer MultiMedia5" value="1" />
+    </path>
+
     <path name="audio-ull-playback">
         <ctl name="QUAT_MI2S_RX Audio Mixer MultiMedia8" value="1" />
     </path>
@@ -1100,6 +1108,16 @@
         <ctl name="VoiceMMode1_Tx Mixer USB_AUDIO_TX_MMode1" value="1" />
     </path>
 
+    <path name="voicemmode1-call voice-tty-vco-usb">
+        <ctl name="USB_AUDIO_RX_Voice Mixer VoiceMMode1" value="1" />
+        <ctl name="VoiceMMode1_Tx Mixer SLIM_0_TX_MMode1" value="1" />
+    </path>
+
+    <path name="voicemmode1-call voice-tty-hco-handset">
+        <ctl name="QUAT_MI2S_RX_Voice Mixer VoiceMMode1" value="1" />
+        <ctl name="VoiceMMode1_Tx Mixer USB_AUDIO_TX_MMode1" value="1" />
+    </path>
+
     <path name="voicemmode2-call">
         <ctl name="QUAT_MI2S_RX_Voice Mixer VoiceMMode2" value="1" />
         <ctl name="VoiceMMode2_Tx Mixer SLIM_0_TX_MMode2" value="1" />
@@ -1855,6 +1873,20 @@
         <ctl name="DEC0 Volume" value="82" />
     </path>
 
+    <path name="voice-tty-full-usb-mic">
+    </path>
+
+    <path name="voice-tty-hco-usb-mic">
+    </path>
+
+    <path name="voice-tty-full-usb">
+        <ctl name="TTY Mode" value="FULL" />
+    </path>
+
+    <path name="voice-tty-vco-usb">
+        <ctl name="TTY Mode" value="VCO" />
+    </path>
+
     <path name="listen-handset-mic">
         <ctl name="MADONOFF Switch" value="1" />
         <ctl name="MAD Input" value="ADC1" />