diff --git a/assets/carrier_config_20404.xml b/assets/carrier_config_20404.xml
index aae7c08..6b0264d 100644
--- a/assets/carrier_config_20404.xml
+++ b/assets/carrier_config_20404.xml
@@ -13,6 +13,7 @@
         </int-array>
     </carrier_config>
     <carrier_config gid1="BAE0000000000000">
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="sms_requires_destination_number_conversion_bool" value="true" />
         <boolean name="mdn_is_additional_voicemail_number_bool" value="true" />
         <boolean name="allow_adding_apns_bool" value="false" />
diff --git a/assets/carrier_config_310004.xml b/assets/carrier_config_310004.xml
index 746cb45..0a54a5e 100644
--- a/assets/carrier_config_310004.xml
+++ b/assets/carrier_config_310004.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="sms_requires_destination_number_conversion_bool" value="true" />
         <boolean name="mdn_is_additional_voicemail_number_bool" value="true" />
         <boolean name="operator_selection_expand_bool" value="true" />
diff --git a/assets/carrier_config_310030.xml b/assets/carrier_config_310030.xml
new file mode 100644
index 0000000..2a8ae8b
--- /dev/null
+++ b/assets/carrier_config_310030.xml
@@ -0,0 +1,6 @@
+<?xml version='1.0' encoding='utf-8' standalone='yes' ?>
+<carrier_config_list>
+    <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
+    </carrier_config>
+</carrier_config_list>
diff --git a/assets/carrier_config_310160.xml b/assets/carrier_config_310160.xml
index 9bc4c4f..9b8296a 100644
--- a/assets/carrier_config_310160.xml
+++ b/assets/carrier_config_310160.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <int name="vvm_port_number_int" value="1808" />
         <string name="vvm_destination_number_string">122</string>
         <string name="carrier_vvm_package_name_string">com.tmobile.vvm.application</string>
diff --git a/assets/carrier_config_310170.xml b/assets/carrier_config_310170.xml
index 9d4ddbb..4c0ac84 100644
--- a/assets/carrier_config_310170.xml
+++ b/assets/carrier_config_310170.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
 <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
 <int name="recipientLimit" value="10" />
 <int name="maxMessageSize" value="1048576" />
 <int name="maxImageWidth" value="2592" />
diff --git a/assets/carrier_config_310200.xml b/assets/carrier_config_310200.xml
index 150aecb..0f72854 100644
--- a/assets/carrier_config_310200.xml
+++ b/assets/carrier_config_310200.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_available_bool" value="true" />
         <boolean name="carrier_volte_tty_supported_bool" value="false" />
         <boolean name="carrier_wfc_ims_available_bool" value="true" />
diff --git a/assets/carrier_config_310210.xml b/assets/carrier_config_310210.xml
index 150aecb..0f72854 100644
--- a/assets/carrier_config_310210.xml
+++ b/assets/carrier_config_310210.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_available_bool" value="true" />
         <boolean name="carrier_volte_tty_supported_bool" value="false" />
         <boolean name="carrier_wfc_ims_available_bool" value="true" />
diff --git a/assets/carrier_config_310220.xml b/assets/carrier_config_310220.xml
index 150aecb..0f72854 100644
--- a/assets/carrier_config_310220.xml
+++ b/assets/carrier_config_310220.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_available_bool" value="true" />
         <boolean name="carrier_volte_tty_supported_bool" value="false" />
         <boolean name="carrier_wfc_ims_available_bool" value="true" />
diff --git a/assets/carrier_config_310230.xml b/assets/carrier_config_310230.xml
index 150aecb..0f72854 100644
--- a/assets/carrier_config_310230.xml
+++ b/assets/carrier_config_310230.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_available_bool" value="true" />
         <boolean name="carrier_volte_tty_supported_bool" value="false" />
         <boolean name="carrier_wfc_ims_available_bool" value="true" />
diff --git a/assets/carrier_config_310240.xml b/assets/carrier_config_310240.xml
index 150aecb..0f72854 100644
--- a/assets/carrier_config_310240.xml
+++ b/assets/carrier_config_310240.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_available_bool" value="true" />
         <boolean name="carrier_volte_tty_supported_bool" value="false" />
         <boolean name="carrier_wfc_ims_available_bool" value="true" />
diff --git a/assets/carrier_config_310250.xml b/assets/carrier_config_310250.xml
index 150aecb..0f72854 100644
--- a/assets/carrier_config_310250.xml
+++ b/assets/carrier_config_310250.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_available_bool" value="true" />
         <boolean name="carrier_volte_tty_supported_bool" value="false" />
         <boolean name="carrier_wfc_ims_available_bool" value="true" />
diff --git a/assets/carrier_config_310260.xml b/assets/carrier_config_310260.xml
index 4b9d5e0..504d75a 100644
--- a/assets/carrier_config_310260.xml
+++ b/assets/carrier_config_310260.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <int name="vvm_port_number_int" value="1808" />
         <string name="vvm_destination_number_string">122</string>
         <int name="maxImageHeight" value="1944" />
diff --git a/assets/carrier_config_310270.xml b/assets/carrier_config_310270.xml
index 150aecb..0f72854 100644
--- a/assets/carrier_config_310270.xml
+++ b/assets/carrier_config_310270.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_available_bool" value="true" />
         <boolean name="carrier_volte_tty_supported_bool" value="false" />
         <boolean name="carrier_wfc_ims_available_bool" value="true" />
diff --git a/assets/carrier_config_310280.xml b/assets/carrier_config_310280.xml
new file mode 100644
index 0000000..2a8ae8b
--- /dev/null
+++ b/assets/carrier_config_310280.xml
@@ -0,0 +1,6 @@
+<?xml version='1.0' encoding='utf-8' standalone='yes' ?>
+<carrier_config_list>
+    <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
+    </carrier_config>
+</carrier_config_list>
diff --git a/assets/carrier_config_310300.xml b/assets/carrier_config_310300.xml
index a2a71a1..8e1cc54 100644
--- a/assets/carrier_config_310300.xml
+++ b/assets/carrier_config_310300.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_available_bool" value="true" />
         <boolean name="carrier_volte_tty_supported_bool" value="false" />
         <boolean name="carrier_wfc_ims_available_bool" value="true" />
diff --git a/assets/carrier_config_310310.xml b/assets/carrier_config_310310.xml
index 150aecb..0f72854 100644
--- a/assets/carrier_config_310310.xml
+++ b/assets/carrier_config_310310.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_available_bool" value="true" />
         <boolean name="carrier_volte_tty_supported_bool" value="false" />
         <boolean name="carrier_wfc_ims_available_bool" value="true" />
diff --git a/assets/carrier_config_310380.xml b/assets/carrier_config_310380.xml
index 578e7b0..d120a5d 100644
--- a/assets/carrier_config_310380.xml
+++ b/assets/carrier_config_310380.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
 <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
 <int name="recipientLimit" value="10" />
 <int name="maxImageHeight" value="1944" />
 <int name="maxMessageSize" value="1048576" />
diff --git a/assets/carrier_config_310410.xml b/assets/carrier_config_310410.xml
index 2682b7c..11f9a0e 100644
--- a/assets/carrier_config_310410.xml
+++ b/assets/carrier_config_310410.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <int name="recipientLimit" value="10" />
         <int name="maxImageHeight" value="1944" />
         <boolean name="support_pause_ims_video_calls_bool" value="false" />
diff --git a/assets/carrier_config_310490.xml b/assets/carrier_config_310490.xml
index fac4a03..d55ad3c 100644
--- a/assets/carrier_config_310490.xml
+++ b/assets/carrier_config_310490.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <int name="vvm_port_number_int" value="1808" />
         <string name="vvm_destination_number_string">122</string>
         <int name="maxImageHeight" value="1944" />
diff --git a/assets/carrier_config_310530.xml b/assets/carrier_config_310530.xml
index a2a71a1..8e1cc54 100644
--- a/assets/carrier_config_310530.xml
+++ b/assets/carrier_config_310530.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_available_bool" value="true" />
         <boolean name="carrier_volte_tty_supported_bool" value="false" />
         <boolean name="carrier_wfc_ims_available_bool" value="true" />
diff --git a/assets/carrier_config_310560.xml b/assets/carrier_config_310560.xml
index 93117b8..e72a688 100644
--- a/assets/carrier_config_310560.xml
+++ b/assets/carrier_config_310560.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <int name="recipientLimit" value="10" />
         <int name="maxImageHeight" value="1944" />
         <int name="maxMessageSize" value="1048576" />
diff --git a/assets/carrier_config_310590.xml b/assets/carrier_config_310590.xml
index d243582..87bbeb5 100644
--- a/assets/carrier_config_310590.xml
+++ b/assets/carrier_config_310590.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_available_bool" value="true"/>
         <boolean name="carrier_volte_tty_supported_bool" value="false"/>
         <boolean name="carrier_wfc_ims_available_bool" value="true"/>
diff --git a/assets/carrier_config_310640.xml b/assets/carrier_config_310640.xml
index a2a71a1..8e1cc54 100644
--- a/assets/carrier_config_310640.xml
+++ b/assets/carrier_config_310640.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_available_bool" value="true" />
         <boolean name="carrier_volte_tty_supported_bool" value="false" />
         <boolean name="carrier_wfc_ims_available_bool" value="true" />
diff --git a/assets/carrier_config_310660.xml b/assets/carrier_config_310660.xml
index 150aecb..0f72854 100644
--- a/assets/carrier_config_310660.xml
+++ b/assets/carrier_config_310660.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_available_bool" value="true" />
         <boolean name="carrier_volte_tty_supported_bool" value="false" />
         <boolean name="carrier_wfc_ims_available_bool" value="true" />
diff --git a/assets/carrier_config_310800.xml b/assets/carrier_config_310800.xml
index 150aecb..0f72854 100644
--- a/assets/carrier_config_310800.xml
+++ b/assets/carrier_config_310800.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_available_bool" value="true" />
         <boolean name="carrier_volte_tty_supported_bool" value="false" />
         <boolean name="carrier_wfc_ims_available_bool" value="true" />
diff --git a/assets/carrier_config_310950.xml b/assets/carrier_config_310950.xml
new file mode 100644
index 0000000..2a8ae8b
--- /dev/null
+++ b/assets/carrier_config_310950.xml
@@ -0,0 +1,6 @@
+<?xml version='1.0' encoding='utf-8' standalone='yes' ?>
+<carrier_config_list>
+    <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
+    </carrier_config>
+</carrier_config_list>
diff --git a/assets/carrier_config_311180.xml b/assets/carrier_config_311180.xml
index 7769f81..b16e13c 100644
--- a/assets/carrier_config_311180.xml
+++ b/assets/carrier_config_311180.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <int name="recipientLimit" value="10" />
         <int name="maxImageHeight" value="1944" />
         <int name="maxMessageSize" value="1048576" />
diff --git a/assets/carrier_config_311480.xml b/assets/carrier_config_311480.xml
index 59087b1..a5b5fec 100644
--- a/assets/carrier_config_311480.xml
+++ b/assets/carrier_config_311480.xml
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='utf-8' standalone='yes' ?>
 <carrier_config_list>
     <carrier_config>
+        <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_volte_provisioned_bool" value="true" />
         <boolean name="allow_hold_in_ims_call" value="false" />
         <boolean name="sms_requires_destination_number_conversion_bool" value="true" />