diff --git a/device/overlay/packages/apps/InCallUI/res/values/config.xml b/device/overlay/packages/apps/InCallUI/res/values/config.xml
new file mode 100644
index 00000000..8624ceda
--- /dev/null
+++ b/device/overlay/packages/apps/InCallUI/res/values/config.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2016, The Linux Foundation. All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are
+  met:
+       * Redistributions of source code must retain the above copyright
+         notice, this list of conditions and the following disclaimer.
+       * Redistributions in binary form must reproduce the above
+         copyright notice, this list of conditions and the following
+         disclaimer in the documentation and/or other materials provided
+         with the distribution.
+       * Neither the name of The Linux Foundation nor the names of its
+         contributors may be used to endorse or promote products derived
+         from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+  ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+  OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+  IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+-->
+
+<resources>
+    <!-- Determines the maximum number of buttons visible on the call card.  Any buttons over this
+         count are put into the overflow menu. -->
+    <integer name="call_card_max_buttons">6</integer>
+</resources>