--- asterisk-1.8.15.0-CLEAN/main/say.c	2012-06-15 11:56:08.000000000 -0400
+++ asterisk-1.8.15.0-0.2.0/main/say.c	2013-01-17 14:43:54.000000000 -0500
@@ -60,13 +60,14 @@
 static int wait_file(struct ast_channel *chan, const char *ints, const char *file, const char *lang);
 
 
-static int say_character_str_full(struct ast_channel *chan, const char *str, const char *ints, const char *lang, int audiofd, int ctrlfd)
+static int say_character_str_full(struct ast_channel *chan, const char *str, const char *ints, const char *lang, int casesensitive, int audiofd, int ctrlfd)
 {
 	const char *fn;
 	char fnbuf[10], asciibuf[20] = "letters/ascii";
 	char ltr;
 	int num = 0;
 	int res = 0;
+	int upper = 0;
 
 	while (str[num] && !res) {
 		fn = NULL;
@@ -120,9 +121,18 @@
 			break;
 		default:
 			ltr = str[num];
-			if ('A' <= ltr && ltr <= 'Z') ltr += 'a' - 'A';		/* file names are all lower-case */
-			strcpy(fnbuf, "letters/X");
-			fnbuf[8] = ltr;
+			if ('A' <= ltr && ltr <= 'Z') {
+				ltr += 'a' - 'A';		/* file names are all lower-case */
+				if (casesensitive) {
+					upper = !upper;
+				}
+			}
+			if (upper) {
+				strcpy(fnbuf, "uppercase");
+			} else {
+				strcpy(fnbuf, "letters/X");
+				fnbuf[8] = ltr;
+			}
 			fn = fnbuf;
 		}
 		if ((fn && ast_fileexists(fn, NULL, lang) > 0) ||
@@ -136,6 +146,9 @@
 			}
 			ast_stopstream(chan);
 		}
+		if (upper) {
+			continue;
+		}
 		num++;
 	}