+ void join_disable_dejitter(struct port_list *portlist, int message_type, union parameter *param);
+ void join_dov_indication(struct port_list *portlist, int message_type, union parameter *param);
+ void join_dov_request(struct port_list *portlist, int message_type, union parameter *param);
+ void join_dov_listen(struct port_list *portlist, int message_type, union parameter *param);