diff --git a/sounds/Makefile b/sounds/Makefile
index a31dcb2cfe..5ea2beebed 100644
--- a/sounds/Makefile
+++ b/sounds/Makefile
@@ -17,7 +17,7 @@
 
 SOUNDS_DIR:=$(DESTDIR)$(ASTDATADIR)/sounds
 MOH_DIR:=$(DESTDIR)$(ASTDATADIR)/moh
-CORE_SOUNDS_VERSION:=1.4.8
+CORE_SOUNDS_VERSION:=1.4.9
 EXTRA_SOUNDS_VERSION:=1.4.7
 SOUNDS_URL:=http://downloads.digium.com/pub/telephony/sounds/releases
 MCS:=$(subst -EN-,-en-,$(MENUSELECT_CORE_SOUNDS))
@@ -29,6 +29,7 @@ MCS:=$(subst -ALAW,-alaw,$(MCS))
 MCS:=$(subst -GSM,-gsm,$(MCS))
 MCS:=$(subst -G729,-g729,$(MCS))
 MCS:=$(subst -G722,-g722,$(MCS))
+MCS:=$(subst -SLN16,-sln16,$(MCS))
 CORE_SOUNDS:=$(MCS:CORE-SOUNDS-%=asterisk-core-sounds-%-$(CORE_SOUNDS_VERSION).tar.gz)
 CORE_SOUND_TAGS:=$(MCS:CORE-SOUNDS-%=$(SOUNDS_DIR)/.asterisk-core-sounds-%-$(CORE_SOUNDS_VERSION))
 MES:=$(subst -EN-,-en-,$(MENUSELECT_EXTRA_SOUNDS))
diff --git a/sounds/sounds.xml b/sounds/sounds.xml
index 4ba16e092d..ffcf11f19d 100644
--- a/sounds/sounds.xml
+++ b/sounds/sounds.xml
@@ -12,6 +12,8 @@
 		</member>
 		<member name="CORE-SOUNDS-EN-G722" displayname="English, G.722 format">
 		</member>
+		<member name="CORE-SOUNDS-EN-SLN16" displayname="English, Signed-linear 16kHz format">
+		</member>
 		<member name="CORE-SOUNDS-ES-WAV" displayname="Spanish, WAV format">
 		</member>
 		<member name="CORE-SOUNDS-ES-ULAW" displayname="Spanish, mu-Law format">
@@ -24,6 +26,8 @@
 		</member>
 		<member name="CORE-SOUNDS-ES-G722" displayname="Spanish, G.722 format">
 		</member>
+		<member name="CORE-SOUNDS-ES-SLN16" displayname="Spanish, Signed-linear 16kHz format">
+		</member>
 		<member name="CORE-SOUNDS-FR-WAV" displayname="French, WAV format">
 		</member>
 		<member name="CORE-SOUNDS-FR-ULAW" displayname="French, mu-Law format">
@@ -36,6 +40,8 @@
 		</member>
 		<member name="CORE-SOUNDS-FR-G722" displayname="French, G.722 format">
 		</member>
+		<member name="CORE-SOUNDS-FR-SLN16" displayname="French, Signed-linear 16kHz format">
+		</member>
 	</category>
 	<category name="MENUSELECT_MOH" displayname="Music On Hold File Packages" positive_output="yes">
 		<member name="MOH-FREEPLAY-WAV" displayname="FreePlay Music On Hold Files, WAV format" >