diff --git a/config/common.mk b/config/common.mk
new file mode 100644
index 0000000..f1297a2
--- /dev/null
+++ b/config/common.mk
@@ -0,0 +1,36 @@
+PRODUCT_BRAND ?= custom
+
+# bootanimation
+PRODUCT_COPY_FILES += \
+	vendor/custom/bootanimation.zip:system/media/bootanimation.zip
+
+# general properties
+PRODUCT_PROPERTIES_OVERRIDE += \
+	keyguard.no_require_sim=true \
+	ro.url.legal=http://www.google.com/intl/%s/mobile/android/basic/phone-legal.html \
+	ro.com.google.clientidbase=android-google \
+	ro.com.android.wifi-watchlist=GoogleGuest \
+	ro.setupwizard.enterprise_mode=1 \
+	ro.com.android.dateformat=MM-dd-yyyy \
+	ro.com.android.dataroaming=false \
+	persist.sys.root_access=1
+
+# enable ADB authentication if not on eng build
+ifneq ($(TARGET_BUILD_VARIANT),eng)
+ADDITIONAL_DEFAULT_PROPERTIES += ro.adb.secure=1
+endif
+
+# init.d support
+PRODUCT_COPY_FILES += \
+	vendor/custom/prebuilt/etc/init.d/00banner:system/etc/init.d/00banner \
+	vendor/custom/prebuilt/bin/sysinit:system/bin/sysinit
+
+# Enable SIP and VoIP on all targets
+PRODUCT_COPY_FILES += \
+	frameworks/native/data/etc/android.software.sip.voip.xml:system/etc/permissions/android.software.sip.voip.xml
+
+# Additional packages
+-include vendor/custom/config/packages.mk
+
+# Versionning
+-include vendor/custom/config/version.mk