1 files changed, 1 insertions, 0 deletions
diff --git a/apps/app_substring.c b/apps/app_substring.c
index 97f0fea0a..4d3ccceb3 100755
--- a/apps/app_substring.c
+++ b/apps/app_substring.c
@@ -56,6 +56,7 @@ static int substring_exec(struct ast_channel *chan, void *data)
   char *count1, *count2;
   char *first, *second, *stringp;
   stringp=alloca(strlen(data)+1);
+  ast_log(LOG_WARNING, "The use of Substring application is deprecated. Please use ${variable:a:b} instead\n");
   strncpy(stringp,data,strlen(data)+1);
   if (strchr(stringp,'|')&&strchr(stringp,'=')) {
     int icount1,icount2;