diff --git a/net/asterisk-13.x/Makefile b/net/asterisk-13.x/Makefile
index 05a3583..ab3fcbe 100644
--- a/net/asterisk-13.x/Makefile
+++ b/net/asterisk-13.x/Makefile
@@ -1,6 +1,6 @@
 #
-# Copyright (C) 2015 OpenWrt.org
-# Copyright (C) 2015 Cesnet, z.s.p.o.
+# Copyright (C) 2016 OpenWrt.org
+# Copyright (C) 2016 Cesnet, z.s.p.o.
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -9,14 +9,14 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=asterisk13
-PKG_VERSION:=13.6.0
+PKG_VERSION:=13.8.0
 PKG_RELEASE:=1
 
 PKG_SOURCE:=asterisk-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://downloads.asterisk.org/pub/telephony/asterisk/releases/
-PKG_MD5SUM:=66355aec4336c068f25e7df739786e72
+PKG_MD5SUM:=ad48eb4a01df72c8e30d3aec524b1a02
 
-PKG_BUILD_DIR=$(BUILD_DIR)/asterisk-$(PKG_VERSION)
+PKG_BUILD_DIR:=$(BUILD_DIR)/asterisk-$(PKG_VERSION)
 PKG_BUILD_DEPENDS:=libxml2/host
 
 PKG_LICENSE:=GPL-2.0
@@ -242,13 +242,13 @@ define Build/Configure
 		$(HOST_CONFIGURE_ARGS) \
 		$(AST_MENUSELECT_OPTS) \
 		LDFLAGS="$(HOST_LDFLAGS) -lxml2" \
-		CFLAGS="$(HOST_CFLAGS) -I$(STAGING_DIR_HOST)/include/libxml2" \
+		CFLAGS="$(HOST_CFLAGS) -I$(STAGING_DIR)/host/include/libxml2" \
 	);
 endef
 
 define Build/Compile
 	$(MAKE) -C "$(PKG_BUILD_DIR)/menuselect" \
-		CFLAGS="$(HOST_CFLAGS) -I$(STAGING_DIR_HOST)/include/libxml2" \
+		CFLAGS="$(HOST_CFLAGS) -I$(STAGING_DIR)/host/include/libxml2" \
 		LDFLAGS="$(HOST_LDFLAGS) -lxml2"
 	$(MAKE) -C "$(PKG_BUILD_DIR)" \
 		include/asterisk/version.h \
@@ -325,8 +325,10 @@ $(eval $(call BuildAsterisk13Module,bridge-softmix,Multi-party software based ch
 $(eval $(call BuildAsterisk13Module,cdr,Provides CDR,Call Detail Record,,cdr.conf cdr_custom.conf cdr_manager.conf cdr_syslog.conf,app_cdr app_forkcdr cdr_custom cdr_manager cdr_syslog func_cdr,,))
 $(eval $(call BuildAsterisk13Module,cdr-csv,Provides CDR CSV,Call Detail Record with CSV support,,,cdr_csv,,))
 $(eval $(call BuildAsterisk13Module,cdr-sqlite3,Provides CDR SQLITE3,Call Detail Record with SQLITE3 support,libsqlite3,,cdr_sqlite3_custom,,))
+$(eval $(call BuildAsterisk13Module,chan-alsa,ALSA channel,the channel chan_alsa,+alsa-lib,,chan_alsa,,))
 $(eval $(call BuildAsterisk13Module,chan-dahdi,DAHDI channel,DAHDI channel support,+dahdi-tools-libtonezone +kmod-dahdi +libpri,chan_dahdi.conf,chan_dahdi,,))
 $(eval $(call BuildAsterisk13Module,chan-iax2,IAX2 channel,IAX support,+asterisk13-res-timing-timerfd,iax.conf iaxprov.conf,chan_iax2,,))
+$(eval $(call BuildAsterisk13Module,chan-oss,OSS channel,the channel chan_oss,,oss.conf,chan_oss,,))
 $(eval $(call BuildAsterisk13Module,chan-sip,SIP channel,the channel chan_sip,+asterisk13-app-confbridge,sip.conf sip_notify.conf,chan_sip,,))
 $(eval $(call BuildAsterisk13Module,chan-skinny,Skinny channel,the channel chan_skinny,,skinny.conf,chan_skinny,,))
 $(eval $(call BuildAsterisk13Module,chan-unistim,Unistim channel,channel driver for the UNISTIM (Unified Networks IP Stimulus) protocol,,unistim.conf,chan_unistim,,))
diff --git a/net/asterisk-13.x/patches/001-disable-semaphores-check.patch b/net/asterisk-13.x/patches/001-disable-semaphores-check.patch
index f946b56..6256fd8 100644
--- a/net/asterisk-13.x/patches/001-disable-semaphores-check.patch
+++ b/net/asterisk-13.x/patches/001-disable-semaphores-check.patch
@@ -1,6 +1,6 @@
 --- a/configure.ac
 +++ b/configure.ac
-@@ -900,19 +900,6 @@ AC_LINK_IFELSE(
+@@ -927,19 +927,6 @@ AC_LINK_IFELSE(
    ]
  )
  
diff --git a/net/asterisk-13.x/patches/002-undef-res-ninit.patch b/net/asterisk-13.x/patches/002-undef-res-ninit.patch
index 42b4cbc..1d01bb8 100644
--- a/net/asterisk-13.x/patches/002-undef-res-ninit.patch
+++ b/net/asterisk-13.x/patches/002-undef-res-ninit.patch
@@ -1,6 +1,6 @@
 --- a/configure.ac
 +++ b/configure.ac
-@@ -1170,7 +1170,6 @@ AC_LINK_IFELSE(
+@@ -1261,7 +1261,6 @@ AC_LINK_IFELSE(
  			#include <resolv.h>],
  			[int foo = res_ninit(NULL);])],
  	AC_MSG_RESULT(yes)
diff --git a/net/asterisk-13.x/patches/040-fix-config-options.patch b/net/asterisk-13.x/patches/040-fix-config-options.patch
new file mode 100644
index 0000000..092f0a5
--- /dev/null
+++ b/net/asterisk-13.x/patches/040-fix-config-options.patch
@@ -0,0 +1,12 @@
+--- asterisk-13.8.0/main/config_options.c	2016-03-29 21:39:33.000000000 +0200
++++ ast1380/main/config_options.c	2016-04-04 13:07:25.331238309 +0200
+@@ -198,8 +198,8 @@ static int link_option_to_types(struct a
+ #ifdef AST_DEVMODE
+ 			opt->doc_unavailable = 1;
+ #endif
+-#endif
+ 		}
++#endif
+ 	}
+ 	/* The container(s) should hold the only ref to opt */
+ 	ao2_ref(opt, -1);
diff --git a/net/asterisk-13.x/patches/050-musl-glob-compat.patch b/net/asterisk-13.x/patches/050-musl-glob-compat.patch
new file mode 100644
index 0000000..429babb
--- /dev/null
+++ b/net/asterisk-13.x/patches/050-musl-glob-compat.patch
@@ -0,0 +1,31 @@
+--- asterisk-11.7.0.orig/res/ael/ael.flex
++++ asterisk-11.7.0/res/ael/ael.flex
+@@ -79,6 +79,12 @@
+ #if !defined(GLOB_ABORTED)
+ #define GLOB_ABORTED GLOB_ABEND
+ #endif
++#if !defined(GLOB_BRACE)
++#define GLOB_BRACE 0
++#endif
++#if !defined(GLOB_NOMAGIC)
++#define GLOB_NOMAGIC 0
++#endif
+ 
+ #include "asterisk/logger.h"
+ #include "asterisk/utils.h"
+Only in asterisk-11.7.0: res/ael/ael.tab.o
+--- asterisk-11.7.0.orig/res/ael/ael_lex.c
++++ asterisk-11.7.0/res/ael/ael_lex.c
+@@ -838,6 +838,12 @@
+ #if !defined(GLOB_ABORTED)
+ #define GLOB_ABORTED GLOB_ABEND
+ #endif
++#if !defined(GLOB_BRACE)
++#define GLOB_BRACE 0
++#endif
++#if !defined(GLOB_NOMAGIC)
++#define GLOB_NOMAGIC 0
++#endif
+ 
+ #include "asterisk/logger.h"
+ #include "asterisk/utils.h"
diff --git a/net/asterisk-13.x/patches/051-musl-includes.patch b/net/asterisk-13.x/patches/051-musl-includes.patch
new file mode 100644
index 0000000..a45f710
--- /dev/null
+++ b/net/asterisk-13.x/patches/051-musl-includes.patch
@@ -0,0 +1,46 @@
+diff -ru asterisk-13.0.0.orig/include/asterisk/compat.h asterisk-13.0.0/include/asterisk/compat.h
+--- asterisk-13.0.0.orig/include/asterisk/compat.h	2014-10-31 08:48:56.000000000 -0200
++++ asterisk-13.0.0/include/asterisk/compat.h	2014-10-31 08:49:10.163808393 -0200
+@@ -68,7 +68,7 @@
+ #endif
+ 
+ #ifndef AST_POLL_COMPAT
+-#include <sys/poll.h>
++#include <poll.h>
+ #else
+ #include "asterisk/poll-compat.h"
+ #endif
+diff -ru asterisk-13.0.0.orig/include/asterisk/poll-compat.h asterisk-13.0.0/include/asterisk/poll-compat.h
+--- asterisk-13.0.0.orig/include/asterisk/poll-compat.h	2014-10-31 08:48:56.000000000 -0200
++++ asterisk-13.0.0/include/asterisk/poll-compat.h	2014-10-31 08:49:10.163808393 -0200
+@@ -83,7 +83,7 @@
+ 
+ #ifndef AST_POLL_COMPAT
+ 
+-#include <sys/poll.h>
++#include <poll.h>
+ 
+ #define ast_poll(a, b, c) poll(a, b, c)
+ 
+diff -ru asterisk-13.0.0.orig/main/ast_expr2.c asterisk-13.0.0/main/ast_expr2.c
+--- asterisk-13.0.0.orig/main/ast_expr2.c	2014-10-31 08:48:56.000000000 -0200
++++ asterisk-13.0.0/main/ast_expr2.c	2014-10-31 08:49:10.163808393 -0200
+@@ -93,6 +93,7 @@
+ 
+ #include "asterisk.h"
+ 
++#include <sys/cdefs.h>
+ #include <sys/types.h>
+ #include <stdio.h>
+ 
+diff -ru asterisk-13.0.0.orig/main/ast_expr2.y asterisk-13.0.0/main/ast_expr2.y
+--- asterisk-13.0.0.orig/main/ast_expr2.y	2014-10-31 08:48:56.000000000 -0200
++++ asterisk-13.0.0/main/ast_expr2.y	2014-10-31 08:49:10.163808393 -0200
+@@ -14,6 +14,7 @@
+ 
+ #include "asterisk.h"
+ 
++#include <sys/cdefs.h>
+ #include <sys/types.h>
+ #include <stdio.h>
+ 
diff --git a/net/asterisk-13.x/patches/052-musl-libcap.patch b/net/asterisk-13.x/patches/052-musl-libcap.patch
new file mode 100644
index 0000000..2b824de
--- /dev/null
+++ b/net/asterisk-13.x/patches/052-musl-libcap.patch
@@ -0,0 +1,39 @@
+diff -rupN asterisk-13.8.0/configure.ac ast13/configure.ac
+--- asterisk-13.8.0/configure.ac	2016-04-04 14:41:26.398129246 +0200
++++ ast13/configure.ac	2016-04-04 14:40:48.421815607 +0200
+@@ -181,6 +181,9 @@ case "${host_os}" in
+      linux-gnueabi* |  linux-gnuspe)
+      OSARCH=linux-gnu
+      ;;
++     linux-musl*)
++     OSARCH=linux-musl
++     ;;
+      kfreebsd*-gnu)
+      OSARCH=kfreebsd-gnu
+      ;;
+@@ -1373,9 +1376,11 @@ if test "${PBX_BFD}" = "0"; then
+   AST_EXT_LIB_CHECK([BFD], [bfd], [bfd_check_format], [bfd.h], [-ldl -liberty -lz])
+ fi
+ 
+-if test "x${OSARCH}" = "xlinux-gnu" ; then
++case "${OSARCH}" in
++linux*)
+   AST_EXT_LIB_CHECK([CAP], [cap], [cap_from_text], [sys/capability.h])
+-fi
++  ;;
++esac
+ 
+ AST_C_DEFINE_CHECK([DAHDI], [DAHDI_RESET_COUNTERS], [dahdi/user.h], [230])
+ AST_C_DEFINE_CHECK([DAHDI], [DAHDI_DEFAULT_MTU_MRU], [dahdi/user.h], [220])
+diff -rupN asterisk-13.8.0/main/Makefile ast13/main/Makefile
+--- asterisk-13.8.0/main/Makefile	2016-03-29 21:39:33.000000000 +0200
++++ ast13/main/Makefile	2016-04-04 14:40:48.421815607 +0200
+@@ -45,7 +45,7 @@ AST_LIBS+=$(UUID_LIB)
+ AST_LIBS+=$(CRYPT_LIB)
+ AST_LIBS+=$(AST_CLANG_BLOCKS_LIBS)
+ 
+-ifneq ($(findstring $(OSARCH), linux-gnu uclinux linux-uclibc kfreebsd-gnu),)
++ifneq ($(findstring $(OSARCH), linux-gnu uclinux linux-uclibc linux-musl kfreebsd-gnu),)
+   ifneq ($(findstring LOADABLE_MODULES,$(MENUSELECT_CFLAGS)),)
+   AST_LIBS+=-ldl
+   endif
diff --git a/net/asterisk-13.x/patches/053-musl-mutex-init.patch b/net/asterisk-13.x/patches/053-musl-mutex-init.patch
new file mode 100644
index 0000000..4b720ee
--- /dev/null
+++ b/net/asterisk-13.x/patches/053-musl-mutex-init.patch
@@ -0,0 +1,12 @@
+diff -ru asterisk-12.4.0.orig/include/asterisk/lock.h asterisk-12.4.0/include/asterisk/lock.h
+--- asterisk-12.4.0.orig/include/asterisk/lock.h	2013-11-02 06:05:24.000000000 -0200
++++ asterisk-12.4.0/include/asterisk/lock.h	2014-08-04 16:00:29.811967599 -0300
+@@ -68,7 +68,7 @@
+ #define AST_PTHREADT_NULL (pthread_t) -1
+ #define AST_PTHREADT_STOP (pthread_t) -2
+ 
+-#if (defined(SOLARIS) || defined(BSD))
++#if (defined(SOLARIS) || defined(BSD) || !defined(HAVE_PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP))
+ #define AST_MUTEX_INIT_W_CONSTRUCTORS
+ #endif /* SOLARIS || BSD */
+