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-rwxr-xr-xpbx/pbx_config.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/pbx/pbx_config.c b/pbx/pbx_config.c
index 82eb9d6ec..a0e1d9ec1 100755
--- a/pbx/pbx_config.c
+++ b/pbx/pbx_config.c
@@ -1738,6 +1738,8 @@ static int pbx_load_module(void)
if (plus)
ipri += atoi(plus);
lastpri = ipri;
+ if (!strcmp(realext, "_."))
+ ast_log(LOG_WARNING, "The use of '_.' for an extension is strongly discouraged and can have unexpected behavior. Please use '_X.' instead at line %d\n", v->lineno);
if (ast_add_extension2(con, 0, realext, ipri, label, cidmatch, appl, strdup(data), FREE, registrar)) {
ast_log(LOG_WARNING, "Unable to register extension at line %d\n", v->lineno);
}