SIPSorcery.SIP.SIPCDR.Progress C# (CSharp) Method

        public void Progress(SIPResponseStatusCodesEnum progressStatus, string progressReason, SIPEndPoint localEndPoint, SIPEndPoint remoteEndPoint)
        {
            InProgress = true;
            ProgressTime = DateTimeOffset.UtcNow;
            ProgressStatus = (int)progressStatus;
            ProgressReasonPhrase = progressReason;

            if (localEndPoint != null)
            {
                LocalSIPEndPoint = localEndPoint;
            }

            if (remoteEndPoint != null)
            {
                RemoteEndPoint = remoteEndPoint;
            }
        }