diff --git a/device-common.mk b/device-common.mk
index 250de1cf..cdafd12d 100644
--- a/device-common.mk
+++ b/device-common.mk
@@ -14,6 +14,7 @@
 # limitations under the License.
 #
 
+-include vendor/google_devices/gs101/proprietary/telephony/device-vendor.mk
 include device/google/gs101/device.mk
 
 # Telephony
diff --git a/device.mk b/device.mk
index f3dddbb9..dda2693d 100644
--- a/device.mk
+++ b/device.mk
@@ -56,6 +56,10 @@ LOCAL_KERNEL := $(TARGET_KERNEL_DIR)/Image.lz4
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
 	ro.oem_unlock_supported=1
 
+# Include vendor telephony soong namespace
+PRODUCT_SOONG_NAMESPACES += \
+	vendor/samsung_slsi/telephony/$(BOARD_USES_SHARED_VENDOR_TELEPHONY)
+
 ifneq (,$(filter userdebug eng, $(TARGET_BUILD_VARIANT)))
 #Set IKE logs to verbose for WFC
 PRODUCT_PROPERTY_OVERRIDES += log.tag.IKE=VERBOSE
@@ -853,11 +857,11 @@ PRODUCT_PACKAGES += \
 	vts.bin
 
 # This will be called only if IMSService is building with source code for dev branches.
-$(call inherit-product-if-exists, vendor/samsung_slsi/telephony/shannon-ims/device-vendor.mk)
+$(call inherit-product-if-exists, vendor/samsung_slsi/telephony/$(BOARD_USES_SHARED_VENDOR_TELEPHONY)/shannon-ims/device-vendor.mk)
 
 PRODUCT_PACKAGES += ShannonIms
 
-$(call inherit-product-if-exists, vendor/samsung_slsi/telephony/shannon-iwlan/device-vendor.mk)
+$(call inherit-product-if-exists, vendor/samsung_slsi/telephony/$(BOARD_USES_SHARED_VENDOR_TELEPHONY)/shannon-iwlan/device-vendor.mk)
 
 #RCS Test Messaging App
 PRODUCT_PACKAGES_DEBUG += \
@@ -883,7 +887,7 @@ USE_RADIO_HAL_1_6 := true
 #$(call inherit-product, vendor/google_devices/gs101/proprietary/device-vendor.mk)
 
 ifneq ($(BOARD_WITHOUT_RADIO),true)
-$(call inherit-product-if-exists, vendor/samsung_slsi/telephony/common/device-vendor.mk)
+$(call inherit-product-if-exists, vendor/samsung_slsi/telephony/$(BOARD_USES_SHARED_VENDOR_TELEPHONY)/common/device-vendor.mk)
 endif
 
 ifeq (,$(filter %_64,$(TARGET_PRODUCT)))
diff --git a/telephony/user.mk b/telephony/user.mk
index 983a19a0..f75596f3 100644
--- a/telephony/user.mk
+++ b/telephony/user.mk
@@ -1,2 +1,2 @@
-PRODUCT_COPY_FILES += vendor/samsung_slsi/telephony/common/device/samsung/init.radio.sh:$(TARGET_COPY_OUT_VENDOR)/bin/init.radio.sh
+PRODUCT_COPY_FILES += vendor/samsung_slsi/telephony/$(BOARD_USES_SHARED_VENDOR_TELEPHONY)/common/device/samsung/init.radio.sh:$(TARGET_COPY_OUT_VENDOR)/bin/init.radio.sh
 BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs101-sepolicy/telephony/user/