SIPSorcery.SIP.SIPCancelTransaction.GetCancelResponse C# (CSharp) Method

        private SIPResponse GetCancelResponse(SIPRequest sipRequest, SIPResponseStatusCodesEnum sipResponseCode)
        {
            try
            {
                SIPResponse cancelResponse = new SIPResponse(sipResponseCode, null, sipRequest.LocalSIPEndPoint);

                SIPHeader requestHeader = sipRequest.Header;
                cancelResponse.Header = new SIPHeader(requestHeader.From, requestHeader.To, requestHeader.CSeq, requestHeader.CallId);
                cancelResponse.Header.CSeqMethod = SIPMethodsEnum.CANCEL;
                cancelResponse.Header.Vias = requestHeader.Vias;
                cancelResponse.Header.MaxForwards = Int32.MinValue;

                return cancelResponse;
            }
            catch (Exception excp)
            {
                logger.Error("Exception GetCancelResponse. " + excp.Message);
                throw excp;
            }
        }