This patch from 10249 is worth applying! It prevents downloading sound files if they are already downloaded. Darn Practical, if you ask me

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@76211 65c4cc65-6c06-0410-ace0-fbb531ad65f3

sounds/Makefile

@@ -131,13 +131,13 @@ $(MOH_DIR)/.asterisk-moh-%: have_download
 	touch $@
 
 asterisk-core-%.tar.gz: have_download
-	@$(DOWNLOAD) $(WGET_ARGS) $(SOUNDS_URL)/$@
+	@if test ! -f $@ ;then $(DOWNLOAD) $(WGET_ARGS) $(SOUNDS_URL)/$@;fi
 
 asterisk-extra-%.tar.gz: have_download
-	@$(DOWNLOAD) $(WGET_ARGS) $(SOUNDS_URL)/$@
+	@if test ! -f $@ ;then $(DOWNLOAD) $(WGET_ARGS) $(SOUNDS_URL)/$@;fi
 
 asterisk-moh-%.tar.gz: have_download
-	@$(DOWNLOAD) $(WGET_ARGS) $(SOUNDS_URL)/$@
+	@if test ! -f $@ ;then $(DOWNLOAD) $(WGET_ARGS) $(SOUNDS_URL)/$@;fi
 
 dist-clean:
 	rm -f *.tar.gz