/// <summary> /// This constructor is used by client user agents or SIP elements acting in a client user agent role. When /// acting as a client user agent the local fields are contained in the From header and the remote fields are /// in the To header. /// </summary> public SIPDialogue( UACInviteTransaction uacInviteTransaction, string owner, string adminMemberId) { Id = Guid.NewGuid(); CallId = uacInviteTransaction.TransactionRequest.Header.CallId; RouteSet = (uacInviteTransaction.TransactionFinalResponse != null && uacInviteTransaction.TransactionFinalResponse.Header.RecordRoutes != null) ? uacInviteTransaction.TransactionFinalResponse.Header.RecordRoutes.Reversed() : null; LocalUserField = uacInviteTransaction.TransactionFinalResponse.Header.From.FromUserField; LocalTag = uacInviteTransaction.TransactionFinalResponse.Header.From.FromTag; RemoteUserField = uacInviteTransaction.TransactionFinalResponse.Header.To.ToUserField; RemoteTag = uacInviteTransaction.TransactionFinalResponse.Header.To.ToTag; CSeq = uacInviteTransaction.TransactionRequest.Header.CSeq; CDRId = uacInviteTransaction.CDR.CDRId; Owner = owner; AdminMemberId = adminMemberId; ContentType = uacInviteTransaction.TransactionRequest.Header.ContentType; SDP = uacInviteTransaction.TransactionRequest.Body; RemoteSDP = uacInviteTransaction.TransactionFinalResponse.Body; Inserted = DateTimeOffset.UtcNow; Direction = SIPCallDirection.Out; // Set the dialogue remote target and take care of mangling if an upstream proxy has indicated it's required. RemoteTarget = new SIPURI(uacInviteTransaction.TransactionRequest.URI.Scheme, SIPEndPoint.ParseSIPEndPoint(uacInviteTransaction.RemoteEndPoint.ToString())); ProxySendFrom = uacInviteTransaction.TransactionFinalResponse.Header.ProxyReceivedOn; if (uacInviteTransaction.TransactionFinalResponse.Header.Contact != null && uacInviteTransaction.TransactionFinalResponse.Header.Contact.Count > 0) { RemoteTarget = uacInviteTransaction.TransactionFinalResponse.Header.Contact[0].ContactURI.CopyOf(); if (!uacInviteTransaction.TransactionFinalResponse.Header.ProxyReceivedFrom.IsNullOrBlank()) { // Setting the Proxy-ReceivedOn header is how an upstream proxy will let an agent know it should mangle the contact. // Don't mangle private contacts if there is a Record-Route header. If a proxy is putting private IP's in a Record-Route header that's its problem. if (RouteSet == null && IPSocket.IsPrivateAddress(RemoteTarget.Host)) { SIPEndPoint remoteUASSIPEndPoint = SIPEndPoint.ParseSIPEndPoint(uacInviteTransaction.TransactionFinalResponse.Header.ProxyReceivedFrom); RemoteTarget.Host = remoteUASSIPEndPoint.GetIPEndPoint().ToString(); } } } }