diff --git a/src/mod/applications/mod_conference/mod_conference.c b/src/mod/applications/mod_conference/mod_conference.c
index 35ef69197b..24cee76d6d 100644
--- a/src/mod/applications/mod_conference/mod_conference.c
+++ b/src/mod/applications/mod_conference/mod_conference.c
@@ -4488,7 +4488,10 @@ static conference_obj_t *conference_new(char *name, conf_xml_cfg_t cfg, switch_m
 		}
 
 		if (!strcasecmp(var, "rate") && !switch_strlen_zero(val)) {
-			rate_name = val;
+            uint32_t tmp = atoi(val);
+            if (tmp == 8000 || tmp == 16000 || tmp == 32000) {
+                rate_name = val;
+            }
 		} else if (!strcasecmp(var, "domain") && !switch_strlen_zero(val)) {
 			domain = val;
 		} else if (!strcasecmp(var, "interval") && !switch_strlen_zero(val)) {