diff --git a/net/asterisk-11.x-chan-dongle/Makefile b/net/asterisk-11.x-chan-dongle/Makefile
index 7c0b204..5a7ecbc 100644
--- a/net/asterisk-11.x-chan-dongle/Makefile
+++ b/net/asterisk-11.x-chan-dongle/Makefile
@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=asterisk11-chan-dongle
 PKG_VERSION:=1.1r35
 PKG_REV:=28a46567a88cebdc365db6f294e682246fd2dd7b
-PKG_RELEASE:=4
+PKG_RELEASE:=5
 
 PKG_SOURCE_SUBDIR:=asterisk11-chan-dongle-$(PKG_VERSION)
 PKG_SOURCE:=$(PKG_SOURCE_SUBDIR).tar.gz
diff --git a/net/asterisk-11.x-chan-dongle/patches/100-fix-audio-on-big-endian-systems.patch b/net/asterisk-11.x-chan-dongle/patches/100-fix-audio-on-big-endian-systems.patch
new file mode 100644
index 0000000..3fc546d
--- /dev/null
+++ b/net/asterisk-11.x-chan-dongle/patches/100-fix-audio-on-big-endian-systems.patch
@@ -0,0 +1,48 @@
+Index: asterisk11-chan-dongle-1.1r35/channel.c
+===================================================================
+--- asterisk11-chan-dongle-1.1r35.orig/channel.c
++++ asterisk11-chan-dongle-1.1r35/channel.c
+@@ -495,6 +495,19 @@ again:
+ 	}
+ }
+ 
++// see https://github.com/openwrt/telephony/issues/7
++static inline void change_audio_endianness_to_le(struct iovec *iov, int iovcnt)
++{
++#if __BYTE_ORDER == __LITTLE_ENDIAN
++   return; // nothing to do
++#else
++   for(;iovcnt-->0;iov++)
++   {
++      ast_swapcopy_samples(iov->iov_base, iov->iov_base, iov->iov_len/2);
++   }
++#endif
++}
++
+ #/* */
+ static void timing_write (struct pvt* pvt)
+ {
+@@ -522,6 +535,7 @@ static void timing_write (struct pvt* pv
+ 			iovcnt = mixb_read_n_iov (&pvt->a_write_mixb, iov, FRAME_SIZE);
+ 			mixb_read_n_iov (&pvt->a_write_mixb, iov, FRAME_SIZE);
+ 			mixb_read_upd (&pvt->a_write_mixb, FRAME_SIZE);
++			change_audio_endianness_to_le(iov, iovcnt);
+ 		}
+ 		else if (used > 0)
+ 		{
+@@ -535,6 +549,7 @@ static void timing_write (struct pvt* pv
+ 			iov[iovcnt].iov_base	= silence_frame;
+ 			iov[iovcnt].iov_len	= FRAME_SIZE - used;
+ 			iovcnt++;
++			change_audio_endianness_to_le(iov, iovcnt);
+ 		}
+ 		else
+ 		{
+@@ -544,6 +559,7 @@ static void timing_write (struct pvt* pv
+ 			iov[0].iov_base		= silence_frame;
+ 			iov[0].iov_len		= FRAME_SIZE;
+ 			iovcnt			= 1;
++			// ignore endianness for zeros
+ //			continue;
+ 		}
+