diff --git a/sounds/Makefile b/sounds/Makefile
index 5994f5bbd51b6de04da38ea04091853a0fe1ead9..178c30c7b5328c6035addd393b7c222f7655d6cf 100644
--- a/sounds/Makefile
+++ b/sounds/Makefile
@@ -28,7 +28,7 @@ CMD_PREFIX?=@
 SOUNDS_DIR:=$(DESTDIR)$(TMPDATADIR)/sounds
 SOUNDS_CACHE_DIR?=
 MOH_DIR:=$(DESTDIR)$(TMPDATADIR)/moh
-CORE_SOUNDS_VERSION:=1.4.20
+CORE_SOUNDS_VERSION:=1.4.21
 EXTRA_SOUNDS_VERSION:=1.4.11
 MOH_VERSION:=2.03
 SOUNDS_URL:=http://downloads.asterisk.org/pub/telephony/sounds/releases
@@ -36,6 +36,7 @@ MCS:=$(subst -EN-,-en-,$(MENUSELECT_CORE_SOUNDS))
 MCS:=$(subst -EN_AU-,-en_AU-,$(MCS))
 MCS:=$(subst -FR-,-fr-,$(MCS))
 MCS:=$(subst -ES-,-es-,$(MCS))
+MCS:=$(subst -RU-,-ru-,$(MCS))
 MCS:=$(subst -WAV,-wav,$(MCS))
 MCS:=$(subst -ULAW,-ulaw,$(MCS))
 MCS:=$(subst -ALAW,-alaw,$(MCS))
@@ -173,6 +174,8 @@ $(eval $(call sound_format_lang_rule,$(SOUNDS_DIR),core-sounds,es,$(CORE_SOUNDS_
 
 $(eval $(call sound_format_lang_rule,$(SOUNDS_DIR),core-sounds,fr,$(CORE_SOUNDS_VERSION)))
 
+$(eval $(call sound_format_lang_rule,$(SOUNDS_DIR),core-sounds,ru,$(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,es,$(EXTRA_SOUNDS_VERSION)))
@@ -190,10 +193,10 @@ $(eval $(call sound_download_rule,moh))
 dist-clean:
 	rm -f *.tar.gz
 
-$(SOUNDS_DIR)/en $(MOH_DIR) $(SOUNDS_DIR)/en_AU $(SOUNDS_DIR)/es $(SOUNDS_DIR)/fr $(SOUNDS_CACHE_DIR):
+$(SOUNDS_DIR)/en $(MOH_DIR) $(SOUNDS_DIR)/en_AU $(SOUNDS_DIR)/es $(SOUNDS_DIR)/fr $(SOUNDS_DIR)/ru $(SOUNDS_CACHE_DIR):
 	mkdir -p $@
 
-install: prefixcmd $(SOUNDS_CACHE_DIR) $(SOUNDS_DIR)/en $(SOUNDS_DIR)/en_AU $(SOUNDS_DIR)/es $(SOUNDS_DIR)/fr $(MOH_DIR) $(CORE_SOUND_TAGS) $(EXTRA_SOUND_TAGS) $(MOH_TAGS)
+install: prefixcmd $(SOUNDS_CACHE_DIR) $(SOUNDS_DIR)/en $(SOUNDS_DIR)/en_AU $(SOUNDS_DIR)/es $(SOUNDS_DIR)/fr $(SOUNDS_DIR)/ru $(MOH_DIR) $(CORE_SOUND_TAGS) $(EXTRA_SOUND_TAGS) $(MOH_TAGS)
 
 uninstall:
 	rm -rf $(SOUNDS_DIR)
diff --git a/sounds/sounds.xml b/sounds/sounds.xml
index c4b5a419a12ca580e430e167a4f51eafec49c191..9a1707d3217dc4df7d7b6c0e4ce055d15d90370c 100644
--- a/sounds/sounds.xml
+++ b/sounds/sounds.xml
@@ -72,6 +72,24 @@
 		</member>
 		<member name="CORE-SOUNDS-EN_AU-SIREN14" displayname="English (Australian Accent), G.722.1C (Siren14) format">
 		</member>
+		<member name="CORE-SOUNDS-RU-WAV" displayname="Russian, WAV format">
+		</member>
+		<member name="CORE-SOUNDS-RU-ULAW" displayname="Russian, mu-Law format">
+		</member>
+		<member name="CORE-SOUNDS-RU-ALAW" displayname="Russian, a-Law format">
+		</member>
+		<member name="CORE-SOUNDS-RU-GSM" displayname="Russian, GSM format" >
+		</member>
+		<member name="CORE-SOUNDS-RU-G729" displayname="Russian, G.729 format">
+		</member>
+		<member name="CORE-SOUNDS-RU-G722" displayname="Russian, G.722 format">
+		</member>
+		<member name="CORE-SOUNDS-RU-SLN16" displayname="Russian, Signed-linear 16kHz format">
+		</member>
+		<member name="CORE-SOUNDS-RU-SIREN7" displayname="Russian, G.722.1 (Siren7) format">
+		</member>
+		<member name="CORE-SOUNDS-RU-SIREN14" displayname="Russian, G.722.1C (Siren14) format">
+		</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" >