Index: main/logger.c
===================================================================
--- main/logger.c	(revision 223322)
+++ main/logger.c	(working copy)
@@ -134,6 +134,10 @@
 	COLOR_BRGREEN
 };
 
+__thread char lastmsg[4096] = "";
+__thread int lastmsg_count = 0;
+#define LOG_SUPPRESS_IDENTICAL_MESSAGES 30
+
 AST_THREADSTORAGE(verbose_buf, verbose_buf_init);
 #define VERBOSE_BUF_INIT_SIZE   128
 
@@ -726,6 +730,21 @@
 	/* Ignore anything other than the currently debugged file if there is one */
 	if ((level == __LOG_DEBUG) && !ast_strlen_zero(debug_filename) && strcasecmp(debug_filename, file))
 		return;
+		
+	if (!strcasecmp(fmt,lastmsg)) {
+		lastmsg_count++;
+		if (lastmsg_count>LOG_SUPPRESS_IDENTICAL_MESSAGES) {
+			return;
+		}
+	} else {
+		if (lastmsg_count>LOG_SUPPRESS_IDENTICAL_MESSAGES) {
+			int repeats = lastmsg_count-LOG_SUPPRESS_IDENTICAL_MESSAGES;
+			lastmsg_count=0;
+			ast_log(level, file, line, function, "Message repeats %d times\n", repeats);
+		}
+		lastmsg_count=0;
+		ast_copy_string(lastmsg, fmt, sizeof(lastmsg));
+	}
 
 	time(&t);
 	ast_localtime(&t, &tm, NULL);