public bool CheckUsername(string username)
        {
            var request = new CheckUsernameRequest();
            var server  = GetIPConvergeServer(request);

            request.username = username;

            var response = server.CheckUsername(request);

            return(response.CheckUsernameStatus == CheckUsernameStatus.UsernameNotInUse);
        }
        public bool CheckUsername(string username)
        {
            var request = new CheckUsernameRequest();
            var server = GetIPConvergeServer(request);

            request.username = username;

            var response = server.CheckUsername(request);

            return response.CheckUsernameStatus == CheckUsernameStatus.UsernameNotInUse;
        }