public bool Parse(string data)
        {
            this.Headers.Clear();
            string[] sl = data.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
            if (sl.Length > 0)
            {
                string[] headers = sl[0].Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);
                if (headers.Length >= 3)
                {
                    this.Version      = headers[0];
                    this.StatusCode   = int.Parse(headers[1]);
                    this.ReasonPhrase = "";
                    for (int i = 2; i < headers.Length; i++)
                    {
                        if (string.IsNullOrEmpty(this.ReasonPhrase) == false)
                        {
                            this.ReasonPhrase = this.ReasonPhrase + " ";
                        }
                        this.ReasonPhrase = headers[2];
                    }
                }
            }
            for (int i = 1; i < sl.Length; i++)
            {
                int findindex = sl[i].IndexOf(":");
                if (findindex >= 0)
                {
                    string key_str   = sl[i].Substring(0, findindex).TrimEnd();
                    string value_str = sl[i].Substring(findindex + 1, sl[i].Length - (findindex + 1)).TrimStart();
                    this.Headers[key_str] = value_str;
                    //Transport: RTP/AVP/UDP;unicast;client_port=64445-64446;server_port=64447-64448;ssrc=0CCB61AB;mode=play
                    switch (key_str.ToUpperInvariant())
                    {
                    case "CSEQ":
                    {
                        this.CSeq = int.Parse(value_str);
                    }
                    break;

                    case "Content-Length":
                    {
                        this.ContentLength = int.Parse(value_str);
                    }
                    break;

                    case "SERVER":
                    {
                        this.Server = value_str;
                    }
                    break;

                    case "TRANSPORT":
                    {
                        this.TransPort = this.ParseTransPort(value_str);
                    }
                    break;
                    }
                }
            }

            return(true);
        }
        public static CTransport Parse(string data)
        {
            CTransport cc = null;

            return(cc);
        }