diff --git a/net/asterisk-chan-lantiq/Makefile b/net/asterisk-chan-lantiq/Makefile
index c6eee12..c5e2416 100644
--- a/net/asterisk-chan-lantiq/Makefile
+++ b/net/asterisk-chan-lantiq/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=chan-lantiq
 PKG_VERSION:=20171111
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 LANTIQ_AST13_VERSION:=5adf3d7774a75c88835f2f3daf824e2cda2c6e67
 
@@ -20,6 +20,38 @@ PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSI
 
 include $(INCLUDE_DIR)/package.mk
 
+LTQ_DIR:=$(TOPDIR)/package/kernel/lantiq
+
+VMMC_PATH:=$(LTQ_DIR)/ltq-vmmc
+TAPI_PATH:=$(LTQ_DIR)/ltq-tapi
+IFXOS_PATH:=$(LTQ_DIR)/ltq-ifxos
+
+LTQ_MIRROR:=https://mirror2.openwrt.org/sources
+
+IFXOS_HASH:=$(shell cat $(IFXOS_PATH)/Makefile | sed -n '/^PKG_HASH:=/s///p')
+IFXOS_VERSION:=$(shell cat $(IFXOS_PATH)/Makefile | sed -n '/^PKG_VERSION:=/s///p')
+IFXOS:=lib_ifxos-$(IFXOS_VERSION)
+IFXOS_ARCHIVE:=$(IFXOS).tar.gz
+
+TAPI_HASH:=$(shell cat $(TAPI_PATH)/Makefile | sed -n '/^PKG_HASH:=/s///p')
+TAPI_VERSION:=$(shell cat $(TAPI_PATH)/Makefile | sed -n '/^PKG_VERSION:=/s///p')
+TAPI:=drv_tapi-$(TAPI_VERSION)
+TAPI_ARCHIVE:=$(TAPI).tar.bz2
+
+VMMC_HASH:=$(shell cat $(VMMC_PATH)/Makefile | sed -n '/^PKG_HASH:=/s///p')
+VMMC_VERSION:=$(shell cat $(VMMC_PATH)/Makefile | sed -n '/^PKG_VERSION:=/s///p')
+VMMC:=drv_vmmc-$(VMMC_VERSION)
+VMMC_ARCHIVE:=$(VMMC).tar.bz2
+
+define Download/files
+define Download/$(1)
+  FILE:=$(2)
+  HASH:=$(3)
+  URL:=$(4)
+endef
+$$(eval $$(call Download,$(1)))
+endef
+
 define Download/github
 define Download/$(PKG_NAME)
   VERSION:=$(1)
@@ -37,7 +69,7 @@ define Package/$(PKG_NAME)/Default
   CATEGORY:=Network
   TITLE:=Lantiq channel driver
   URL:=https://github.com/kochstefan/asterisk_channel_lantiq
-  DEPENDS:=+kmod-ltq-vmmc
+  DEPENDS:=@mips
 endef
 
 define Package/asterisk13-$(PKG_NAME)
@@ -71,6 +103,23 @@ endef
 
 Package/asterisk13-$(PKG_NAME)/install = $(Package/Install/Default)
 
+define Package/postinst/Default
+#!/bin/sh
+if [ -z "$${IPKG_INSTROOT}" ]; then
+  echo
+  echo "o-------------------------------------------------------------------o"
+  echo "| chan-lantiq note                                                  |"
+  echo "o-------------------------------------------------------------------o"
+  echo "| Install kmod-ltq-vmmc if you want to use this Asterisk module.    |"
+  echo "| Unfortunately the dependency could not be added to the package.   |"
+  echo "o-------------------------------------------------------------=^_^=-o"
+  echo
+fi
+exit 0
+endef
+
+Package/asterisk13-$(PKG_NAME)/postinst = $(Package/postinst/Default)
+
 ifeq ($(BUILD_VARIANT),asterisk13)
 CHAN_LANTIQ_AST_INCLUDES:=-I$(STAGING_DIR)/usr/include/asterisk-13/include
 CHAN_LANTIQ_VERSION:=$(LANTIQ_AST13_VERSION)
@@ -81,6 +130,26 @@ define Build/Prepare
 	$(TAR) --extract --no-same-owner --no-same-permissions --xz \
 		--file=$(DL_DIR)/$(BUILD_VARIANT)-$(PKG_NAME)-$(PKG_VERSION)-$(CHAN_LANTIQ_VERSION).tar.xz \
 		--directory=$(PKG_BUILD_DIR)
+	$(eval $(call Download/files,ltq-ifxos,$(IFXOS_ARCHIVE),$(IFXOS_HASH),$(LTQ_MIRROR)))
+	$(eval $(call Download/files,ltq-tapi,$(TAPI_ARCHIVE),$(TAPI_HASH),$(LTQ_MIRROR)))
+	$(eval $(call Download/files,ltq-vmmc,$(VMMC_ARCHIVE),$(VMMC_HASH),$(LTQ_MIRROR)))
+	$(TAR) --extract --no-same-owner --no-same-permissions --gzip \
+		--file=$(DL_DIR)/$(IFXOS_ARCHIVE) \
+		--directory=$(PKG_BUILD_DIR)
+	$(TAR) --extract --no-same-owner --no-same-permissions --bzip \
+		--file=$(DL_DIR)/$(TAPI_ARCHIVE) \
+		--directory=$(PKG_BUILD_DIR)
+	$(TAR) --extract --no-same-owner --no-same-permissions --bzip \
+		--file=$(DL_DIR)/$(VMMC_ARCHIVE) \
+		--directory=$(PKG_BUILD_DIR)
+	$(call PatchDir,$(PKG_BUILD_DIR)/$(IFXOS),$(IFXOS_PATH)/patches)
+	$(call PatchDir,$(PKG_BUILD_DIR)/$(TAPI),$(TAPI_PATH)/patches)
+	$(call PatchDir,$(PKG_BUILD_DIR)/$(VMMC),$(VMMC_PATH)/patches)
+	$(INSTALL_DIR) $(PKG_BUILD_DIR)/include
+	$(CP) $(PKG_BUILD_DIR)/$(IFXOS)/src/include $(PKG_BUILD_DIR)/include/ifxos
+	$(CP) $(PKG_BUILD_DIR)/$(TAPI)/include $(PKG_BUILD_DIR)/include/drv_tapi
+	$(CP) $(PKG_BUILD_DIR)/$(VMMC)/include $(PKG_BUILD_DIR)/include/drv_vmmc
+	cd $(PKG_BUILD_DIR)/include/drv_tapi && $(LN) ../ifxos/ifx_types.h .
 	$(CP) ./files/default.exports \
 		$(PKG_BUILD_DIR)/$(PKG_NAME)/src/channels/chan_lantiq.exports
 endef
@@ -88,6 +157,8 @@ endef
 define Build/Configure
 endef
 
+# Mark our includes as a system directory, because that's where they would
+# normally be. Not doing so results in redefinition warnings.
 define Build/Compile
 	cd $(PKG_BUILD_DIR)/$(PKG_NAME)/src/channels && \
 	$(TARGET_CC) -o chan_lantiq.o -c chan_lantiq.c -MD -MT chan_lantiq.o \
@@ -95,6 +166,7 @@ define Build/Compile
 		$(TARGET_CFLAGS) \
 		$(CHAN_LANTIQ_AST_INCLUDES) \
 		$(TARGET_CPPFLAGS) \
+		-isystem $(PKG_BUILD_DIR)/include \
 		-Wall -Wstrict-prototypes -Wmissing-prototypes \
 		-Wmissing-declarations $(FPIC) -DAST_MODULE=\"chan_lantiq\" && \
 	$(TARGET_CC) -o chan_lantiq.so -pthread $(TARGET_LDFLAGS) -shared \