diff --git a/sounds/Makefile b/sounds/Makefile
index 87b356f430..13a7184acc 100644
--- a/sounds/Makefile
+++ b/sounds/Makefile
@@ -19,8 +19,8 @@ CMD_PREFIX?=@
 SOUNDS_DIR:=$(DESTDIR)$(ASTDATADIR)/sounds
 SOUNDS_CACHE_DIR?=
 MOH_DIR:=$(DESTDIR)$(ASTDATADIR)/moh
-CORE_SOUNDS_VERSION:=1.4.25
-EXTRA_SOUNDS_VERSION:=1.4.14
+CORE_SOUNDS_VERSION:=1.4.26
+EXTRA_SOUNDS_VERSION:=1.4.15
 MOH_VERSION:=2.03
 SOUNDS_URL:=http://downloads.asterisk.org/pub/telephony/sounds/releases
 MCS:=$(subst -EN-,-en-,$(MENUSELECT_CORE_SOUNDS))
@@ -30,6 +30,7 @@ MCS:=$(subst -FR-,-fr-,$(MCS))
 MCS:=$(subst -ES-,-es-,$(MCS))
 MCS:=$(subst -RU-,-ru-,$(MCS))
 MCS:=$(subst -IT-,-it-,$(MCS))
+MCS:=$(subst -JA-,-ja-,$(MCS))
 MCS:=$(subst -WAV,-wav,$(MCS))
 MCS:=$(subst -ULAW,-ulaw,$(MCS))
 MCS:=$(subst -ALAW,-alaw,$(MCS))
@@ -150,6 +151,8 @@ $(eval $(call sound_format_lang_rule,$(SOUNDS_DIR),core-sounds,it,$(CORE_SOUNDS_
 
 $(eval $(call sound_format_lang_rule,$(SOUNDS_DIR),core-sounds,ru,$(CORE_SOUNDS_VERSION)))
 
+$(eval $(call sound_format_lang_rule,$(SOUNDS_DIR),core-sounds,ja,$(CORE_SOUNDS_VERSION)))
+
 $(eval $(call sound_format_lang_rule,$(SOUNDS_DIR),extra-sounds,en,$(EXTRA_SOUNDS_VERSION)))
 
 $(eval $(call sound_format_lang_rule,$(SOUNDS_DIR),extra-sounds,en_GB,$(EXTRA_SOUNDS_VERSION)))
diff --git a/sounds/sounds.xml b/sounds/sounds.xml
index 768ddde638..5934bb34e1 100644
--- a/sounds/sounds.xml
+++ b/sounds/sounds.xml
@@ -189,6 +189,33 @@
 		<member name="CORE-SOUNDS-RU-SIREN14" displayname="Russian, G.722.1C (Siren14) format">
 			<support_level>core</support_level>
 		</member>
+		<member name="CORE-SOUNDS-JA-WAV" displayname="Japanese, WAV format">
+			<support_level>core</support_level>
+		</member>
+		<member name="CORE-SOUNDS-JA-ULAW" displayname="Japanese, mu-Law format">
+			<support_level>core</support_level>
+		</member>
+		<member name="CORE-SOUNDS-JA-ALAW" displayname="Japanese, a-Law format">
+			<support_level>core</support_level>
+		</member>
+		<member name="CORE-SOUNDS-JA-GSM" displayname="Japanese, GSM format">
+			<support_level>core</support_level>
+		</member>
+		<member name="CORE-SOUNDS-JA-G729" displayname="Japanese, G.729 format">
+			<support_level>core</support_level>
+		</member>
+		<member name="CORE-SOUNDS-JA-G722" displayname="Japanese, G.722 format">
+			<support_level>core</support_level>
+		</member>
+		<member name="CORE-SOUNDS-JA-SLN16" displayname="Japanese, Signed-linear 16kHz format">
+			<support_level>core</support_level>
+		</member>
+		<member name="CORE-SOUNDS-JA-SIREN7" displayname="Japanese, G.722.1 (Siren7) format">
+			<support_level>core</support_level>
+		</member>
+		<member name="CORE-SOUNDS-JA-SIREN14" displayname="Japanese, G.722.1C (Siren14) format">
+			<support_level>core</support_level>
+		</member>
 	</category>
 	<category name="MENUSELECT_MOH" displayname="Music On Hold File Packages" positive_output="yes">
 		<member name="MOH-OPSOUND-WAV" displayname="opsound.org Music On Hold Files, WAV format" >