--- /dev/null
+#
+# Copyright (C) 2018 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=libctb
+PKG_VERSION:=0.16
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=https://iftools.com/download/ctb/$(PKG_VERSION)
+PKG_HASH:=1cb0026a66cfbf8e26988f76cb861f1fbfd04f272f9b9adaf0d463d01282fc08
+
+MAKE_PATH:=build
+
+PKG_INSTALL:=1
+
+PKG_LICENSE:=LGPL
+PKG_LICENSE_FILES:=build/COPYING
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/$(PKG_NAME)
+ SUBMENU:=Telephony
+ SECTION:=libs
+ CATEGORY:=Libraries
+ TITLE:=Communications toolbox - ctb
+ URL:=https://iftools.com/opensource/ctb.en.php
+ DEPENDS:=+libstdcpp
+endef
+
+define Package/$(PKG_NAME)/description
+Multiplatform library for different interfaces.
+endef
+
+MAKE_FLAGS += \
+ DEBUG=0 \
+ GPIB=0 \
+ prefix=/usr
+
+define Build/InstallDev
+ $(INSTALL_DIR) $(1)/usr/include/ctb-$(PKG_VERSION)/linux
+ $(INSTALL_DATA) \
+ $(PKG_INSTALL_DIR)/usr/include/ctb-$(PKG_VERSION)/*.h \
+ $(PKG_BUILD_DIR)/include/ctb-$(PKG_VERSION)/kbhit.h \
+ $(1)/usr/include/ctb-$(PKG_VERSION)
+ $(INSTALL_DATA) \
+ $(PKG_INSTALL_DIR)/usr/include/ctb-$(PKG_VERSION)/linux/*.h \
+ $(1)/usr/include/ctb-$(PKG_VERSION)/linux
+ $(INSTALL_DIR) $(1)/usr/lib
+ $(INSTALL_BIN) \
+ $(PKG_INSTALL_DIR)/usr/lib/$(PKG_NAME)-$(PKG_VERSION).so \
+ $(1)/usr/lib
+endef
+
+define Package/$(PKG_NAME)/install
+ $(INSTALL_DIR) $(1)/usr/lib
+ $(INSTALL_BIN) \
+ $(PKG_INSTALL_DIR)/usr/lib/$(PKG_NAME)-$(PKG_VERSION).so \
+ $(1)/usr/lib
+endef
+
+$(eval $(call BuildPackage,$(PKG_NAME)))