diff --git a/net/asterisk-chan-dongle/Makefile b/net/asterisk-chan-dongle/Makefile
index 3dac5ec..7e9368d 100644
--- a/net/asterisk-chan-dongle/Makefile
+++ b/net/asterisk-chan-dongle/Makefile
@@ -8,15 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=asterisk-chan-dongle
-PKG_VERSION:=1.1-20180619
-PKG_RELEASE:=1
 
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
-PKG_SOURCE_URL:=https://github.com/wdoekes/asterisk-chan-dongle.git
-PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=fd544d628d134cfe9cc2df6b5315298e93698664
-PKG_MIRROR_HASH:=f6074feff5931024e5ac9504ffc872c58b650352e29343969327c5205228fc2f
 PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=https://github.com/wdoekes/asterisk-chan-dongle.git
+PKG_SOURCE_VERSION:=328b2b7ded3b3c59c2e6c7e7afca6b0ac6f146ce
+PKG_SOURCE_DATE=2020-05-28
+PKG_RELEASE:=1
+PKG_MIRROR_HASH:=b0af444840340722ecee111a7b1f819de441acf290799ae11bc18e16569c6388
 
 PKG_FIXUP:=autoreconf
 
@@ -24,8 +22,6 @@ PKG_LICENSE:=GPL-2.0
 PKG_LICENSE_FILES:=COPYRIGHT.txt LICENSE.txt
 PKG_MAINTAINER:=Jiri Slachta <jiri@slachta.eu>
 
-PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSION)
-
 MODULES_DIR:=/usr/lib/asterisk/modules
 
 include $(INCLUDE_DIR)/package.mk
@@ -37,7 +33,7 @@ define Package/asterisk-chan-dongle/Default
   SECTION:=net
   CATEGORY:=Network
   URL:=https://github.com/wdoekes/asterisk-chan-dongle
-  DEPENDS:=$(ICONV_DEPENDS) +kmod-usb-acm +kmod-usb-serial +kmod-usb-serial-option +libusb-1.0 +usb-modeswitch
+  DEPENDS:=$(ICONV_DEPENDS) +libsqlite3
   TITLE:=Huawei UMTS 3G dongle support
 endef
 
@@ -60,7 +56,8 @@ ifeq ($(BUILD_VARIANT),asterisk16)
 endif
 
 CONFIGURE_ARGS+= \
-	--with-asterisk=$(CHAN_DONGLE_AST_HEADERS)
+	--with-asterisk=$(CHAN_DONGLE_AST_HEADERS) \
+	--with-iconv=$(ICONV_PREFIX)/include
 
 TARGET_CFLAGS+= \
 	-I$(CHAN_DONGLE_AST_HEADERS)
diff --git a/net/asterisk-chan-dongle/patches/200-fix-iconv-detection.patch b/net/asterisk-chan-dongle/patches/200-fix-iconv-detection.patch
index 5419884..f72d8d2 100644
--- a/net/asterisk-chan-dongle/patches/200-fix-iconv-detection.patch
+++ b/net/asterisk-chan-dongle/patches/200-fix-iconv-detection.patch
@@ -1,21 +1,11 @@
 --- a/configure.ac
 +++ b/configure.ac
-@@ -77,7 +77,8 @@ fi
+@@ -83,7 +83,7 @@ fi
+ 
  dnl Checks for libraries.
- dnl AC_CHECK_LIB([pthread], [pthread_create])
- dnl AC_CHECK_LIB([iconv], [iconv])
--AC_SEARCH_LIBS([iconv], [c iconv])
-+dnl AC_SEARCH_LIBS([iconv], [c iconv])
-+AC_CHECK_LIB([iconv], [libiconv])
+ dnl AC_CHECK_LIB([pthread], [pthread_create])  # should use ast_pthread_join everywhere?
+-AC_SEARCH_LIBS([iconv], [c iconv],,AC_MSG_ERROR([iconv library missing]))
++AC_CHECK_LIB([iconv], [iconv],,AC_MSG_ERROR([iconv library missing]))
+ AC_CHECK_LIB([sqlite3], [sqlite3_open],,AC_MSG_ERROR([sqlite3 library missing]))
  
  dnl Checks for header files.
- AC_CHECK_HEADERS([fcntl.h stdlib.h string.h sys/time.h termios.h])
-@@ -102,7 +103,7 @@ AC_DEFUN([AC_HEADER_FIND], [
- )
- 
- AC_HEADER_FIND([asterisk.h], $with_asterisk)
--AC_HEADER_FIND([iconv.h], /usr/include /usr/local/include /opt/local/include)
-+dnl AC_HEADER_FIND([iconv.h], /usr/include /usr/local/include /opt/local/include)
- 
- AC_DEFINE([ICONV_CONST],[], [Define to const if you has iconv() const declaration of input buffer])
- AC_MSG_CHECKING([for iconv use const inbuf])
diff --git a/net/asterisk-chan-dongle/patches/300-use-openwrt-flags.patch b/net/asterisk-chan-dongle/patches/300-use-openwrt-flags.patch
index 1380e70..f1c4850 100644
--- a/net/asterisk-chan-dongle/patches/300-use-openwrt-flags.patch
+++ b/net/asterisk-chan-dongle/patches/300-use-openwrt-flags.patch
@@ -1,6 +1,6 @@
 --- a/configure.ac
 +++ b/configure.ac
-@@ -216,8 +216,6 @@ dnl Apply options to defines
+@@ -224,8 +224,6 @@ dnl Apply options to defines
  if test "x$enable_debug" = "xyes" ; then
    CFLAGS="$CFLAGS -O0 -g"
    AC_DEFINE([__DEBUG__], [1], [Build with debugging])