diff --git a/resource-overlay/common/Frameworks/res/values/config_telephony.xml b/resource-overlay/common/Frameworks/res/values/config_telephony.xml
new file mode 100644
index 0000000..43997cf
--- /dev/null
+++ b/resource-overlay/common/Frameworks/res/values/config_telephony.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     SPDX-FileCopyrightText: The LineageOS Project
+     SPDX-License-Identifier: Apache-2.0
+-->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <!-- Configure tcp buffer sizes per network type in the form:
+         network-type:rmem_min,rmem_def,rmem_max,wmem_min,wmem_def,wmem_max
+
+         The network-type must be a valid DataConfigNetworkType value. If no value is found for the
+         network-type in use, config_tcp_buffers will be used instead.
+    -->
+    <string-array name="config_network_type_tcp_buffers">
+        <item>NR_SA_MMWAVE:2097152,6291456,16777216,512000,2097152,8388608</item>
+        <item>NR_SA:2097152,6291456,16777216,512000,2097152,8388608</item>
+        <item>NR_NSA_MMWAVE:2097152,6291456,16777216,512000,2097152,8388608</item>
+        <item>NR_NSA:2097152,6291456,16777216,512000,2097152,8388608</item>
+        <item>LTE:2097152,4194304,8388608,262144,524288,4194304</item>
+        <item>LTE_CA:2097152,4194304,16777216,524288,1048576,8388608</item>
+        <item>UMTS:131072,262144,1452032,4096,16384,1220608</item>
+        <item>HSPA:131072,262144,1452032,4096,16384,1220608</item>
+        <item>HSUPA:131072,262144,1452032,4096,16384,1220608</item>
+        <item>HSDPA:131072,262144,1452032,4096,16384,1220608</item>
+        <item>HSPA+:131072,262144,1452032,4096,16384,1220608</item>
+        <item>EDGE:16384,32768,131072,4096,16384,65536</item>
+        <item>GPRS:4096,8192,24576,4096,8192,24576</item>
+        <item>EvDo_0:131072,262144,1048576,4096,16384,524288</item>
+        <item>EvDo_A:131072,262144,1048576,4096,16384,524288</item>
+        <item>EvDo_B:131072,262144,1048576,4096,16384,524288</item>
+        <item>eHRPD:131072,262144,1048576,4096,16384,524288</item>
+        <item>CDMA:4094,87380,262144,4096,16384,262144</item>
+        <item>1xRTT:16384,32768,131072,4096,16384,102400</item>
+        <item>iDEN:4094,87380,262144,4096,16384,262144</item>
+        <item>TD_SCDMA:58254,349525,1048576,58254,349525,1048576</item>
+    </string-array>
+</resources>