/// <summary>
        /// Set presence status
        /// </summary>
        /// <param name="accId"></param>
        /// <param name="status"></param>
        /// <returns></returns>
        public int setStatus(int accId, EUserStatus status)
        {
            if ((!pjsipStackProxy.Instance.IsInitialized) || (accId < 0))
            {
                return(-1);
            }

            if ((Config.Accounts.Count > 0) && (Config.Accounts[accId].RegState != 200))
            {
                return(-1);
            }
            if (!Config.PublishEnabled)
            {
                return(-1);
            }

            return(PjsipMethods.dll_setStatus(Config.Accounts[accId].Index, (int)status));
        }