SIPSorcery.SIP.SIPTransport.GetRequestEndPoint C# (CSharp) Method

        public SIPDNSLookupResult GetRequestEndPoint(SIPRequest sipRequest, SIPEndPoint outboundProxy, bool async)
        {
            SIPURI lookupURI = (sipRequest.Header.Routes != null && sipRequest.Header.Routes.Length > 0) ? sipRequest.Header.Routes.TopRoute.URI : sipRequest.URI;

            if (outboundProxy != null)
            {
                return new SIPDNSLookupResult(lookupURI, outboundProxy);
            }
            else
            {
                //return GetURIEndPoint(sipRequest.URI, async);
                return GetURIEndPoint(lookupURI, async);
            }
        }