diff --git a/net/asterisk-11.x/Config.in b/net/asterisk-11.x/Config.in
new file mode 100644
index 0000000..38e2c47
--- /dev/null
+++ b/net/asterisk-11.x/Config.in
@@ -0,0 +1,11 @@
+menu "Advanced configuration"
+	depends on PACKAGE_asterisk11
+
+config ASTERISK11_LOW_MEMORY
+	bool "Optimize Asterisk 11 for low memory usage"
+	default n
+	help
+	  Warning: this feature is known to cause problems with some modules.
+	  Disable it if you experience problems like segmentation faults.
+
+endmenu
diff --git a/net/asterisk-11.x/Makefile b/net/asterisk-11.x/Makefile
index e9349cd..395c7b0 100644
--- a/net/asterisk-11.x/Makefile
+++ b/net/asterisk-11.x/Makefile
@@ -51,6 +51,10 @@ define Package/asterisk11/install/sounds
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/asterisk/sounds/en/$(2) $(1)/usr/lib/asterisk/sounds/
 endef
 
+define Package/$(PKG_NAME)/config
+	source "$(SOURCE)/Config.in"
+endef
+
 define BuildAsterisk11Module
   define Package/asterisk11-$(1)
   $$(call Package/asterisk11/Default)
@@ -327,7 +331,7 @@ define Build/Compile
 	cd "$(PKG_BUILD_DIR)" && \
 		./menuselect/menuselect \
 			--disable BUILD_NATIVE \
-			--enable LOW_MEMORY \
+			$(if $(CONFIG_ASTERISK11_LOW_MEMORY),--enable LOW_MEMORY) \
 			menuselect.makeopts
 	$(MAKE) -C "$(PKG_BUILD_DIR)" include/asterisk/version.h \
 		include/asterisk/buildopts.h defaults.h \
diff --git a/net/asterisk-13.x/Config.in b/net/asterisk-13.x/Config.in
new file mode 100644
index 0000000..fd38585
--- /dev/null
+++ b/net/asterisk-13.x/Config.in
@@ -0,0 +1,11 @@
+menu "Advanced configuration"
+	depends on PACKAGE_asterisk13
+
+config ASTERISK13_LOW_MEMORY
+	bool "Optimize Asterisk 13 for low memory usage"
+	default n
+	help
+	  Warning: this feature is known to cause problems with some modules.
+	  Disable it if you experience problems like segmentation faults.
+
+endmenu
diff --git a/net/asterisk-13.x/Makefile b/net/asterisk-13.x/Makefile
index e0bb479..f7b59f3 100644
--- a/net/asterisk-13.x/Makefile
+++ b/net/asterisk-13.x/Makefile
@@ -52,6 +52,10 @@ define Package/asterisk13/install/sounds
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/asterisk/sounds/en/$(2) $(1)/usr/lib/asterisk/sounds/
 endef
 
+define Package/$(PKG_NAME)/config
+	source "$(SOURCE)/Config.in"
+endef
+
 define BuildAsterisk13Module
   define Package/asterisk13-$(1)
   $$(call Package/asterisk13/Default)
@@ -269,7 +273,7 @@ define Build/Compile
 	cd "$(PKG_BUILD_DIR)" && \
 		./menuselect/menuselect \
 			--disable BUILD_NATIVE \
-			--enable LOW_MEMORY \
+			$(if $(CONFIG_ASTERISK13_LOW_MEMORY),--enable LOW_MEMORY) \
 			menuselect.makeopts
 	$(MAKE) -C "$(PKG_BUILD_DIR)" \
 		include/asterisk/version.h \
diff --git a/net/freeswitch-stable-sounds/Makefile b/net/freeswitch-stable-sounds/Makefile
index 91d6be2..d1605f1 100644
--- a/net/freeswitch-stable-sounds/Makefile
+++ b/net/freeswitch-stable-sounds/Makefile
@@ -86,6 +86,10 @@ $(eval $(call Package/$(PKG_NAME)/Sounds,en-ca-june-8000,Sound prompts,June,en-C
 $(eval $(call Package/$(PKG_NAME)/Sounds,en-ca-june-16000,Sound prompts,June,en-CA,16,1.0.51,8d0091a2c98e5e06afea6bdd9f6cf2942e937786016037207b85757218b0f7a7))
 $(eval $(call Package/$(PKG_NAME)/Sounds,en-ca-june-32000,Sound prompts,June,en-CA,32,1.0.51,8720b363995724792ff4723e1c8218ef95b27cb36208b7258f93bdda72123387))
 $(eval $(call Package/$(PKG_NAME)/Sounds,en-ca-june-48000,Sound prompts,June,en-CA,48,1.0.51,d2fce478a95b8d9500a544a00253c81d7e9f639e21980bd689910fac87f30871))
+$(eval $(call Package/$(PKG_NAME)/Sounds,en-us-allison-8000,Sound prompts,Allison,en-US,8,1.0.0,fa3601a6a2e2eaceaefa0aafb812ece3494dcd81a9eb94160e4aea51dbb2dde0))
+$(eval $(call Package/$(PKG_NAME)/Sounds,en-us-allison-16000,Sound prompts,Allison,en-US,16,1.0.0,833f7012098cf90527eea4bcc1f713431327c04b51802c3d622d145630183a5e))
+$(eval $(call Package/$(PKG_NAME)/Sounds,en-us-allison-32000,Sound prompts,Allison,en-US,32,1.0.0,2685af0413f25daf0b5199dc6f1257ce8d3d82deb8f56541781bde3ca36223a1))
+$(eval $(call Package/$(PKG_NAME)/Sounds,en-us-allison-48000,Sound prompts,Allison,en-US,48,1.0.0,621668f0d03970ff5ffbd446cebcec7a797fab1a5146169f6bda268d10e5d328))
 $(eval $(call Package/$(PKG_NAME)/Sounds,en-us-callie-8000,Sound prompts,Callie,en-US,8,1.0.51,e48a63bd69e6253d294ce43a941d603b02467feb5d92ee57a536ccc5f849a4a8))
 $(eval $(call Package/$(PKG_NAME)/Sounds,en-us-callie-16000,Sound prompts,Callie,en-US,16,1.0.51,324b1ab5ab754db5697963e9bf6a2f9c7aeb1463755e86bbb6dc4d6a77329da2))
 $(eval $(call Package/$(PKG_NAME)/Sounds,en-us-callie-32000,Sound prompts,Callie,en-US,32,1.0.51,06fd6b8aec937556bf5303ab19a212c60daf00546d395cf269dfe324ac9c6838))
diff --git a/net/freeswitch-stable/Makefile b/net/freeswitch-stable/Makefile
index 5601ebf..b5d03d2 100644
--- a/net/freeswitch-stable/Makefile
+++ b/net/freeswitch-stable/Makefile
@@ -53,24 +53,24 @@ PKG_LICENSE:= \
 
 PKG_LICENSE_FILES:=debian/copyright
 
-FS_STABLE_PREFIX_DIR:=/usr/share/$(PRG_NAME)
+FS_STABLE_DATA_DIR:=/usr/share/$(PRG_NAME)
 
 FS_STABLE_BIN_DIR:=/usr/bin
-FS_STABLE_EXAMPLES_DIR:=$(FS_STABLE_PREFIX_DIR)/examples
-FS_STABLE_FONTS_DIR:=$(FS_STABLE_PREFIX_DIR)/fonts
-FS_STABLE_GRAMMAR_DIR:=$(FS_STABLE_PREFIX_DIR)/grammar
-FS_STABLE_HTDOCS_DIR:=$(FS_STABLE_PREFIX_DIR)/htdocs
-FS_STABLE_IMAGES_DIR:=$(FS_STABLE_PREFIX_DIR)/images
+FS_STABLE_EXAMPLES_DIR:=$(FS_STABLE_DATA_DIR)/examples
+FS_STABLE_FONTS_DIR:=$(FS_STABLE_DATA_DIR)/fonts
+FS_STABLE_GRAMMAR_DIR:=$(FS_STABLE_DATA_DIR)/grammar
+FS_STABLE_HTDOCS_DIR:=$(FS_STABLE_DATA_DIR)/htdocs
+FS_STABLE_IMAGES_DIR:=$(FS_STABLE_DATA_DIR)/images
 FS_STABLE_INCLUDES_DIR:=/usr/include/$(PRG_NAME)
-FS_STABLE_LANG_DIR:=$(FS_STABLE_PREFIX_DIR)/lang
+FS_STABLE_LANG_DIR:=$(FS_STABLE_DATA_DIR)/lang
 FS_STABLE_LIB_DIR:=/usr/lib
 FS_STABLE_MOD_DIR:=$(FS_STABLE_LIB_DIR)/$(PRG_NAME)/mod
 FS_STABLE_PKGCONFIG_DIR:=$(FS_STABLE_LIB_DIR)/pkgconfig
-FS_STABLE_SCRIPTS_DIR:=$(FS_STABLE_PREFIX_DIR)/scripts
-FS_STABLE_SOUNDS_DIR:=$(FS_STABLE_PREFIX_DIR)/sounds
+FS_STABLE_SCRIPTS_DIR:=$(FS_STABLE_DATA_DIR)/scripts
+FS_STABLE_SOUNDS_DIR:=$(FS_STABLE_DATA_DIR)/sounds
 FS_STABLE_SYSCONF_DIR:=/etc
 FS_STABLE_TLS_DIR:=$(FS_STABLE_SYSCONF_DIR)/$(PRG_NAME)/tls
-FS_STABLE_TZ_DIR:=$(FS_STABLE_PREFIX_DIR)/tz
+FS_STABLE_TZ_DIR:=$(FS_STABLE_DATA_DIR)/tz
 
 # Maintain a list of all non-module packages so they can be added to
 # PKG_CONFIG_DEPENDS.
@@ -574,10 +574,10 @@ endif
 ifeq ($(1),perl)
 	$(INSTALL_DIR) $$(1)$(PERL_SITELIB)/auto/$(PRG_NAME)
 	$(INSTALL_BIN) \
-		$(PKG_INSTALL_DIR)$(FS_STABLE_PREFIX_DIR)/perl/$(PRG_NAME).so \
+		$(PKG_INSTALL_DIR)/usr/perl/$(PRG_NAME).so \
 					$$(1)$(PERL_SITELIB)/auto/$(PRG_NAME)
 	$(INSTALL_DATA) \
-		$(PKG_INSTALL_DIR)$(FS_STABLE_PREFIX_DIR)/perl/$(PRG_NAME).pm \
+		$(PKG_INSTALL_DIR)/usr/perl/$(PRG_NAME).pm \
 							$$(1)$(PERL_SITELIB)
 endif
 ifeq ($(1),python)
@@ -630,33 +630,16 @@ $$(eval $$(call BuildPackage,$(PKG_NAME)-util-$(1)))
 endef
 
 CONFIGURE_ARGS+= \
-	--build=$(GNU_HOST_NAME) \
-	--host=$(GNU_TARGET_NAME) \
-	--target=$(GNU_TARGET_NAME) \
-	--prefix=$(FS_STABLE_PREFIX_DIR) \
-	--bindir=$(FS_STABLE_BIN_DIR) \
-	--includedir=$(FS_STABLE_INCLUDES_DIR) \
-	--libdir=$(FS_STABLE_LIB_DIR) \
 	--srcdir=$(PKG_BUILD_DIR) \
-	--sysconfdir=$(FS_STABLE_SYSCONF_DIR) \
 	--disable-dependency-tracking \
 	--disable-static \
 	--disable-system-xmlrpc-c \
 	--enable-fhs \
 	--with-cachedir=/tmp/$(PRG_NAME)/cache \
-	--with-certsdir=$(FS_STABLE_TLS_DIR) \
 	--with-dbdir=/tmp/$(PRG_NAME)/db \
-	--with-fontsdir=$(FS_STABLE_FONTS_DIR) \
-	--with-grammardir=$(FS_STABLE_GRAMMAR_DIR) \
-	--with-htdocsdir=$(FS_STABLE_HTDOCS_DIR) \
 	--with-imagesdir=$(FS_STABLE_IMAGES_DIR) \
 	--with-logfiledir=/tmp/$(PRG_NAME)/log \
-	--with-modinstdir=$(FS_STABLE_MOD_DIR) \
-	--with-pkgconfigdir=$(FS_STABLE_PKGCONFIG_DIR) \
 	--with-recordingsdir=/tmp/$(PRG_NAME)/recordings \
-	--with-rundir=/var/run/$(PRG_NAME) \
-	--with-scriptdir=$(FS_STABLE_SCRIPTS_DIR) \
-	--with-soundsdir=$(FS_STABLE_SOUNDS_DIR) \
 	--with-storagedir=/tmp/$(PRG_NAME)/storage \
 	$(call autoconf_bool,CONFIG_FS_STABLE_WITH_LIBEDIT,core-libedit-support) \
 	$(call autoconf_bool,CONFIG_FS_STABLE_WITH_ODBC,core-odbc-support) \