When closing UDP clients, we response the 4774 errorcode. issue #178
When closing UDP clients, we response the 4774 errorcode. issue #178

telefonicaid/notification_server,frsela/notification_server,frsela/notification_server,frsela/notification_server,frsela/notification_server,telefonicaid/notification_server,telefonicaid/notification_server,frsela/notification_server,telefonicaid/notification_server,telefonicaid/notification_server