diff --git a/kamailio/defs.cfg b/kamailio/defs.cfg
index 3648826..3efe795 100644
--- a/kamailio/defs.cfg
+++ b/kamailio/defs.cfg
@@ -11,9 +11,11 @@
 #!substdef "!MY_IP_ADDRESS!$HN(i)!g"
 #!endif
 
+#!ifndef WEBSOCKET_NO_ORIGIN_RESTRICTION
 #!ifndef MY_WEBSOCKET_DOMAIN
 #!substdef "!MY_WEBSOCKET_DOMAIN!$HN(d)!g"
 #!endif
+#!endif
 
 #!trydef KAZOO_LOG_LEVEL L_INFO
 
diff --git a/kamailio/local.cfg b/kamailio/local.cfg
index 7d51dfc..2ed1086 100644
--- a/kamailio/local.cfg
+++ b/kamailio/local.cfg
@@ -39,12 +39,24 @@
 ##     in the zone that this server will service.
 #!substdef "!MY_AMQP_URL!amqp://guest:guest@127.0.0.1:5672!g"
 
-## This parameter is only required if you are using websockets
+################################################################################
+## WEBSOCKETS
+################################################################################
+##
+## These parameters are only required if you are using websockets
+##
+##   MY_WEBSOCKET_DOMAIN
 ##     This value must be present in the HTTP
 ##     Origin header on a new websocket request
-##     or it will be rejected.  If you remove
-##     it completely the validation will be disabled.
-# # #!substdef "!MY_WEBSOCKET_DOMAIN!2600hz.com!g"
+##     or it will be rejected. default value is
+##     domain of this server.
+##   #!substdef "!MY_WEBSOCKET_DOMAIN!2600hz.com!g"
+##
+##   WEBSOCKET_NO_ORIGIN_RESTRICTION
+##     if defined, it will disable the origin validation.
+##
+##   #!trydef WEBSOCKET_NO_ORIGIN_RESTRICTION
+##
 
 ################################################################################
 ## DATABASE