diff --git a/network/asterisk/README.SBo b/network/asterisk/README.SBo
index 816ee923b2..c9df08f3fb 100644
--- a/network/asterisk/README.SBo
+++ b/network/asterisk/README.SBo
@@ -43,10 +43,15 @@ This build script supports the following flags:
 
    Set this flag to 'yes' if you would like to build the projects
    internal jansson libraries. The default for this option is 'no',
-   which requires you to have jansson >= 2.11 installed on your system
-   system. Set this to 'yes' if you would like to ignore the system
-   requirement and have Asterisk build an internal version of the
-   library.
+   which requires you to have jansson >= 2.11 installed on your system.
+   Set this to 'yes' if you would like to ignore the system requirement
+   and have Asterisk build an internal version of the library.
+
+ * LANGUAGE : [default = EN]
+
+   Set this flag to change the language used by Asterisk. This flag
+   supports the following values: EN, EN_AU, EN_GB, EN_NX, ES, FR, IT,
+   RU, JA, and SV.
 
  * MEETME : [default = no]
 
diff --git a/network/asterisk/asterisk.SlackBuild b/network/asterisk/asterisk.SlackBuild
index 174ab9aba4..0716c1c051 100644
--- a/network/asterisk/asterisk.SlackBuild
+++ b/network/asterisk/asterisk.SlackBuild
@@ -24,7 +24,7 @@
 
 PRGNAM=asterisk
 VERSION=${VERSION:-16.0.0}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -99,7 +99,7 @@ if [ "${VM_IMAP:-no}" != "no" ] && [ "${VM_ODBC:-no}" = "no" ]; then
   CONFIGURE_OPTS="--with-imap=$TMP/$IMAPDIR"
 fi
 
-if [ "${JANSSON:-no}" != "no" ]; then
+if [ "${JANSSON:-no}" != "yes" ]; then
   CONFIGURE_OPTS="${CONFIGURE_OPTS} --with-jansson-bundled"
 else
   CONFIGURE_OPTS="${CONFIGURE_OPTS} --without-jansson-bundled"
@@ -136,8 +136,19 @@ CXXFLAGS="$SLKCFLAGS" \
 )
 make menuselect-tree
 
+LANGUAGE=${LANGUAGE:-EN}
+
 menuselect/menuselect \
   --enable res_config_mysql \
+  --enable CORE-SOUNDS-${LANGUAGE}-WAV \
+  --enable CORE-SOUNDS-${LANGUAGE}-ULAW \
+  --enable CORE-SOUNDS-${LANGUAGE}-ALAW \
+  --enable CORE-SOUNDS-${LANGUAGE}-GSM \
+  --enable CORE-SOUNDS-${LANGUAGE}-G729 \
+  --enable CORE-SOUNDS-${LANGUAGE}-G722 \
+  --enable CORE-SOUNDS-${LANGUAGE}-SLN16 \
+  --enable CORE-SOUNDS-${LANGUAGE}-SIREN6 \
+  --enable CORE-SOUNDS-${LANGUAGE}-SIREN17 \
   menuselect.makeopts
 
 if [ "${MOH:-no}" != "no" ]; then
@@ -146,16 +157,29 @@ if [ "${MOH:-no}" != "no" ]; then
     --enable MOH-OPSOUND-ALAW \
     --enable MOH-OPSOUND-GSM \
     --enable MOH-OPSOUND-G729 \
+    --enable MOH-OPSOUND-G722 \
+    --enable MOH-OPSOUND-SLN16 \
+    --enable MOH-OPSOUND-SIREN7 \
+    --enable MOH-OPSOUND-SIREN14 \
     menuselect.makeopts
 fi
 
 if [ "${SOUNDS_EXTRA:-no}" != "no" ]; then
+  # EXTRA_SOUNDS only has a subset of languages available for CORE_SOUNDS
+  LANGUAGE_EXTRA=EN
+  if [ "${LANGUAGE}" = "EN" -o "${LANGUAGE}" = "EN_GB" -o "${LANGUAGE}" -o "FR" ]; then
+    LANGUAGE_EXTRA="${LANGUAGE}"
+  fi
   menuselect/menuselect \
-    --enable EXTRA-SOUNDS-EN-WAV \
-    --enable EXTRA-SOUNDS-EN-ULAW \
-    --enable EXTRA-SOUNDS-EN-ALAW \
-    --enable EXTRA-SOUNDS-EN-GSM \
-    --enable EXTRA-SOUNDS-EN-G729 \
+    --enable EXTRA-SOUNDS-${LANGUAGE_EXTRA}-WAV \
+    --enable EXTRA-SOUNDS-${LANGUAGE_EXTRA}-ULAW \
+    --enable EXTRA-SOUNDS-${LANGUAGE_EXTRA}-ALAW \
+    --enable EXTRA-SOUNDS-${LANGUAGE_EXTRA}-GSM \
+    --enable EXTRA-SOUNDS-${LANGUAGE_EXTRA}-G729 \
+    --enable EXTRA-SOUNDS-${LANGUAGE-EXTRA}-G722 \
+    --enable EXTRA-SOUNDS-${LANGUAGE-EXTRA}-SLN16 \
+    --enable EXTRA-SOUNDS-${LANGUAGE_EXTRA}-SIREN7 \
+    --enable EXTRA-SOUNDS-${LANGUAGE_EXTRA}-SIREN14 \
     menuselect.makeopts
 fi
 
@@ -203,7 +227,7 @@ cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
 # Install a few typical config files for common asterisk servers
 for i in \
-  asterisk codecs extensions iax indications musiconhold sip modules voicemail ;
+  asterisk codecs extensions iax indications musiconhold sip smdi modules voicemail ;
   do
   cat $PKG/usr/doc/$PRGNAM-$VERSION/sample_confs/${i}.conf > \
     $PKG/etc/asterisk/${i}.conf.new ;