diff --git a/audio/audio_policy_configuration.xml b/audio/audio_policy_configuration.xml
index 8d3731a..a88de81 100644
--- a/audio/audio_policy_configuration.xml
+++ b/audio/audio_policy_configuration.xml
@@ -163,7 +163,11 @@
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_OUT_MONO"/>
                 </mixPort>
-
+                <mixPort name="voip_tx" role="sink"
+                         flags="AUDIO_INPUT_FLAG_VOIP_TX">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
+                </mixPort>
                 <mixPort name="primary input" role="sink">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
@@ -173,7 +177,7 @@
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
                              channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO"/>
-                </mixPort>                
+                </mixPort>
                 <mixPort name="voip_tx" role="sink"
                          flags="AUDIO_INPUT_FLAG_VOIP_TX">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
@@ -336,10 +340,12 @@
                        sources="voice_tx"/>
                 <route type="mix" sink="voice_rx"
                        sources="Telephony Rx"/>
+                <route type="mix" sink="voip_tx"
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic"/>
                 <route type="mix" sink="primary input"
                        sources="Wired Headset Mic,BT SCO Headset Mic,FM Tuner,USB Device In,USB Headset In,Telephony Rx"/>
                 <route type="mix" sink="hotword input"
-                       sources="Wired Headset Mic,BT SCO Headset Mic,FM Tuner,USB Device In,USB Headset In,Telephony Rx"/>                       
+                       sources="Wired Headset Mic,BT SCO Headset Mic,FM Tuner,USB Device In,USB Headset In,Telephony Rx"/>
                 <route type="mix" sink="voip_tx"
                        sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic"/>
                 <route type="mix" sink="surround_sound"