/** Process the ACK request. Send the bye and complete the call flow. */ public void processAck(RequestEvent requestEvent, ServerTransaction serverTransaction) { SipProvider sipProvider = (SipProvider) requestEvent.getSource(); try { // System.out.println("*** shootme: got an ACK " // + requestEvent.getRequest()); if (serverTransaction == null) { System.out.println("null server transaction -- ignoring the ACK!"); return; } Dialog dialog = serverTransaction.getDialog(); this.createdCount++; System.out.println( "Dialog Created = " + dialog.getDialogId() + " createdCount " + this.createdCount + " Dialog State = " + dialog.getState()); if (this.dialogIds.contains(dialog.getDialogId())) { System.out.println("OOPS ! I already saw " + dialog.getDialogId()); } else { this.dialogIds.add(dialog.getDialogId()); } Request byeRequest = dialog.createRequest(Request.BYE); ClientTransaction tr = sipProvider.getNewClientTransaction(byeRequest); // System.out.println("shootme: got an ACK -- sending bye! "); dialog.sendRequest(tr); } catch (Exception ex) { ex.printStackTrace(); System.exit(0); } }
public void sendBye(String localSipURL, String remoteSipURL, ChatSession chatSession) { // Send a Bye only if there were exchanged messages!!! if (chatSession.isEstablishedSession()) { try { logger.debug("Sending a BYE in progress to " + remoteSipURL); SipProvider sipProvider = imUA.getSipProvider(); javax.sip.Dialog dialog = chatSession.getDialog(); Request request = dialog.createRequest(Request.BYE); // ProxyAuthorization header if not null: ProxyAuthorizationHeader proxyAuthHeader = imUA.getProxyAuthorizationHeader(); if (proxyAuthHeader != null) request.setHeader(proxyAuthHeader); ClientTransaction clientTransaction = sipProvider.getNewClientTransaction(request); dialog.sendRequest(clientTransaction); logger.debug("BYE sent:\n" + request); } catch (Exception ex) { ex.printStackTrace(); } } else { logger.debug("BYE not sent because of no exchanged messages!!!"); } }
public void processResponse(ResponseEvent responseReceivedEvent) { System.out.println("Got a response"); Response response = (Response) responseReceivedEvent.getResponse(); Transaction tid = responseReceivedEvent.getClientTransaction(); System.out.println( "Response received with client transaction id " + tid + ":\n" + response.getStatusCode()); if (tid == null) { System.out.println("Stray response -- dropping "); return; } System.out.println("transaction state is " + tid.getState()); System.out.println("Dialog = " + tid.getDialog()); System.out.println("Dialog State is " + tid.getDialog().getState()); try { if (response.getStatusCode() == Response.OK && ((CSeqHeader) response.getHeader(CSeqHeader.NAME)) .getMethod() .equals(Request.INVITE)) { // Request cancel = inviteTid.createCancel(); // ClientTransaction ct = // sipProvider.getNewClientTransaction(cancel); // ct.sendRequest(); Dialog dialog = tid.getDialog(); CSeqHeader cseq = (CSeqHeader) response.getHeader(CSeqHeader.NAME); Request ackRequest = dialog.createAck(cseq.getSeqNumber()); System.out.println("Sending ACK"); dialog.sendAck(ackRequest); // Send a Re INVITE but this time force it // to use UDP as the transport. Else, it will // Use whatever transport was used to create // the dialog. if (reInviteCount == 0) { Request inviteRequest = dialog.createRequest(Request.INVITE); ((SipURI) inviteRequest.getRequestURI()).removeParameter("transport"); ((ViaHeader) inviteRequest.getHeader(ViaHeader.NAME)).setTransport("udp"); inviteRequest.addHeader(contactHeader); try { Thread.sleep(100); } catch (Exception ex) { } ClientTransaction ct = udpProvider.getNewClientTransaction(inviteRequest); dialog.sendRequest(ct); reInviteCount++; } } } catch (Exception ex) { ex.printStackTrace(); System.exit(0); } }
/** * Sends <tt>messageRequest</tt> to the specified destination and logs <tt>messageContent</tt> for * later use. * * @param messageRequest the <tt>SipRequest</tt> that we are about to send. * @param to the Contact that we are sending <tt>messageRequest</tt> to. * @param messageContent the SC <tt>Message</tt> that was used to create the <tt>Request</tt> . * @throws TransactionUnavailableException if we fail creating the transaction required to send * <tt>messageRequest</tt>. * @throws SipException if we fail sending <tt>messageRequest</tt>. */ void sendMessageRequest(Request messageRequest, Contact to, Message messageContent) throws TransactionUnavailableException, SipException { // Transaction ClientTransaction messageTransaction; SipProvider jainSipProvider = this.sipProvider.getDefaultJainSipProvider(); messageTransaction = jainSipProvider.getNewClientTransaction(messageRequest); // send the message messageTransaction.sendRequest(); // we register the reference to this message to retrieve it when // we'll receive the response message String key = ((CallIdHeader) messageRequest.getHeader(CallIdHeader.NAME)).getCallId(); this.sentMsg.put(key, messageContent); }
public void unregister() throws IOException { if (!isRegistered) { return; } cancelPendingRegistrations(); isRegistered = false; if (this.registerRequest == null) { Log.info("Couldn't find the initial register request"); throw new IOException("Couldn't find the initial register request"); } Request unregisterRequest = (Request) registerRequest.clone(); try { unregisterRequest.getExpires().setExpires(0); CSeqHeader cSeqHeader = (CSeqHeader) unregisterRequest.getHeader(CSeqHeader.NAME); // [issue 1] - increment registration cseq number // reported by - Roberto Tealdi <*****@*****.**> cSeqHeader.setSequenceNumber(cSeqHeader.getSequenceNumber() + 1); } catch (InvalidArgumentException e) { Log.info("Unable to set Expires Header " + e.getMessage()); return; } ClientTransaction unregisterTransaction = null; try { unregisterTransaction = sipProvider.getNewClientTransaction(unregisterRequest); } catch (TransactionUnavailableException e) { throw new IOException("Unable to create a unregister transaction " + e.getMessage()); } try { unregisterTransaction.sendRequest(); } catch (SipException e) { Log.info("Faied to send unregister request " + e.getMessage()); return; } }
/** Process the any in dialog request - MESSAGE, BYE, INFO, UPDATE. */ public void processInDialogRequest( RequestEvent requestEvent, ServerTransaction serverTransactionId) { SipProvider sipProvider = (SipProvider) requestEvent.getSource(); Request request = requestEvent.getRequest(); Dialog dialog = requestEvent.getDialog(); System.out.println("local party = " + dialog.getLocalParty()); try { System.out.println("b2bua: got a bye sending OK."); Response response = messageFactory.createResponse(200, request); serverTransactionId.sendResponse(response); System.out.println("Dialog State is " + serverTransactionId.getDialog().getState()); Dialog otherLeg = (Dialog) dialog.getApplicationData(); Request otherBye = otherLeg.createRequest(request.getMethod()); ClientTransaction clientTransaction = sipProvider.getNewClientTransaction(otherBye); clientTransaction.setApplicationData(serverTransactionId); serverTransactionId.setApplicationData(clientTransaction); otherLeg.sendRequest(clientTransaction); } catch (Exception ex) { ex.printStackTrace(); System.exit(0); } }
private void register() throws IOException { Log.info("Registering with " + registrar); FromHeader fromHeader = getFromHeader(); Address fromAddress = fromHeader.getAddress(); // Request URI SipURI requestURI = null; try { requestURI = addressFactory.createSipURI(null, registrar); } catch (ParseException e) { throw new IOException("Bad registrar address:" + registrar + " " + e.getMessage()); } // requestURI.setPort(registrarPort); try { requestURI.setTransportParam(sipProvider.getListeningPoint().getTransport()); } catch (ParseException e) { throw new IOException( sipProvider.getListeningPoint().getTransport() + " is not a valid transport! " + e.getMessage()); } CallIdHeader callIdHeader = sipProvider.getNewCallId(); CSeqHeader cSeqHeader = null; try { cSeqHeader = headerFactory.createCSeqHeader(1, Request.REGISTER); } catch (ParseException e) { // Should never happen throw new IOException("Corrupt Sip Stack " + e.getMessage()); } catch (InvalidArgumentException e) { // Should never happen throw new IOException("The application is corrupt "); } ToHeader toHeader = null; try { String proxyWorkAround = System.getProperty("com.sun.mc.softphone.REGISTRAR_WORKAROUND"); if (proxyWorkAround != null && proxyWorkAround.toUpperCase().equals("TRUE")) { SipURI toURI = (SipURI) (requestURI.clone()); toURI.setUser(System.getProperty("user.name")); toHeader = headerFactory.createToHeader(addressFactory.createAddress(toURI), null); } else { toHeader = headerFactory.createToHeader(fromAddress, null); } } catch (ParseException e) { throw new IOException( "Could not create a To header for address:" + fromHeader.getAddress() + " " + e.getMessage()); } ArrayList viaHeaders = getLocalViaHeaders(); MaxForwardsHeader maxForwardsHeader = getMaxForwardsHeader(); Request request = null; try { request = messageFactory.createRequest( requestURI, Request.REGISTER, callIdHeader, cSeqHeader, fromHeader, toHeader, viaHeaders, maxForwardsHeader); } catch (ParseException e) { throw new IOException("Could not create the register request! " + e.getMessage()); } ExpiresHeader expHeader = null; for (int retry = 0; retry < 2; retry++) { try { expHeader = headerFactory.createExpiresHeader(expires); } catch (InvalidArgumentException e) { if (retry == 0) { continue; } throw new IOException( "Invalid registrations expiration parameter - " + expires + " " + e.getMessage()); } } request.addHeader(expHeader); ContactHeader contactHeader = getRegistrationContactHeader(); request.addHeader(contactHeader); try { SipURI routeURI = (SipURI) addressFactory.createURI("sip:" + proxyCredentials.getProxy() + ";lr"); RouteHeader routeHeader = headerFactory.createRouteHeader(addressFactory.createAddress(routeURI)); request.addHeader(routeHeader); } catch (Exception e) { Log.error("Creating registration route error ", e); } ClientTransaction regTrans = null; try { regTrans = sipProvider.getNewClientTransaction(request); } catch (TransactionUnavailableException e) { throw new IOException( "Could not create a register transaction!\n" + "Check that the Registrar address is correct! " + e.getMessage()); } try { sipCallId = callIdHeader.getCallId(); sipServerCallback.addSipListener(sipCallId, this); registerRequest = request; regTrans.sendRequest(); Log.debug("Sent register request " + registerRequest); if (expires > 0) { scheduleReRegistration(); } } catch (Exception e) { throw new IOException("Could not send out the register request! " + e.getMessage()); } this.registerRequest = request; }
public void init() { SipFactory sipFactory = null; sipStack = null; sipFactory = SipFactory.getInstance(); sipFactory.setPathName("gov.nist"); Properties properties = new Properties(); // If you want to try TCP transport change the following to String transport = "udp"; String peerHostPort = "127.0.0.1:5070"; properties.setProperty("javax.sip.IP_ADDRESS", "127.0.0.1"); properties.setProperty("javax.sip.OUTBOUND_PROXY", peerHostPort + "/" + transport); properties.setProperty("javax.sip.STACK_NAME", "shootist"); properties.setProperty("javax.sip.RETRANSMISSION_FILTER", "on"); // The following properties are specific to nist-sip // and are not necessarily part of any other jain-sip // implementation. // You can set a max message size for tcp transport to // guard against denial of service attack. properties.setProperty("gov.nist.javax.sip.MAX_MESSAGE_SIZE", "1048576"); properties.setProperty("gov.nist.javax.sip.DEBUG_LOG", "shootistdebug.txt"); properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "shootistlog.txt"); // Drop the client connection after we are done with the transaction. properties.setProperty("gov.nist.javax.sip.CACHE_CLIENT_CONNECTIONS", "false"); // Set to 0 in your production code for max speed. // You need 16 for logging traces. 32 for debug + traces. // Your code will limp at 32 but it is best for debugging. properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "0"); try { // Create SipStack object sipStack = sipFactory.createSipStack(properties); System.out.println("createSipStack " + sipStack); } catch (PeerUnavailableException e) { // could not find // gov.nist.jain.protocol.ip.sip.SipStackImpl // in the classpath e.printStackTrace(); System.err.println(e.getMessage()); System.exit(0); } try { headerFactory = sipFactory.createHeaderFactory(); addressFactory = sipFactory.createAddressFactory(); messageFactory = sipFactory.createMessageFactory(); udpListeningPoint = sipStack.createListeningPoint(sipStack.getIPAddress(), 5060, "udp"); udpProvider = sipStack.createSipProvider(udpListeningPoint); Shootist listener = this; udpProvider.addSipListener(listener); tcpListeningPoint = sipStack.createListeningPoint(sipStack.getIPAddress(), 5060, "tcp"); tcpProvider = sipStack.createSipProvider(tcpListeningPoint); tcpProvider.addSipListener(listener); SipProvider sipProvider = transport.equalsIgnoreCase("udp") ? udpProvider : tcpProvider; String fromName = "BigGuy"; String fromSipAddress = "here.com"; String fromDisplayName = "The Master Blaster"; String toSipAddress = "there.com"; String toUser = "******"; String toDisplayName = "The Little Blister"; // send the request out. for (int i = 0; i < 100; i++) { // create >From Header SipURI fromAddress = addressFactory.createSipURI(fromName, fromSipAddress); Address fromNameAddress = addressFactory.createAddress(fromAddress); fromNameAddress.setDisplayName(fromDisplayName); FromHeader fromHeader = headerFactory.createFromHeader(fromNameAddress, "12345" + i); // create To Header SipURI toAddress = addressFactory.createSipURI(toUser, toSipAddress); Address toNameAddress = addressFactory.createAddress(toAddress); toNameAddress.setDisplayName(toDisplayName); ToHeader toHeader = headerFactory.createToHeader(toNameAddress, null); // create Request URI SipURI requestURI = addressFactory.createSipURI(toUser, peerHostPort); // Create ViaHeaders ArrayList viaHeaders = new ArrayList(); int port = sipProvider.getListeningPoint(transport).getPort(); ViaHeader viaHeader = headerFactory.createViaHeader(sipStack.getIPAddress(), port, transport, null); // add via headers viaHeaders.add(viaHeader); // Create ContentTypeHeader ContentTypeHeader contentTypeHeader = headerFactory.createContentTypeHeader("application", "sdp"); // Create a new CallId header CallIdHeader callIdHeader = sipProvider.getNewCallId(); // Create a new Cseq header CSeqHeader cSeqHeader = headerFactory.createCSeqHeader(1L, Request.INVITE); // Create a new MaxForwardsHeader MaxForwardsHeader maxForwards = headerFactory.createMaxForwardsHeader(70); // Create the request. Request request = messageFactory.createRequest( requestURI, Request.INVITE, callIdHeader, cSeqHeader, fromHeader, toHeader, viaHeaders, maxForwards); // Create contact headers String host = sipStack.getIPAddress(); SipURI contactUrl = addressFactory.createSipURI(fromName, host); contactUrl.setPort(tcpListeningPoint.getPort()); // Create the contact name address. SipURI contactURI = addressFactory.createSipURI(fromName, host); contactURI.setPort(sipProvider.getListeningPoint(transport).getPort()); Address contactAddress = addressFactory.createAddress(contactURI); // Add the contact address. contactAddress.setDisplayName(fromName); contactHeader = headerFactory.createContactHeader(contactAddress); request.addHeader(contactHeader); // Add the extension header. Header extensionHeader = headerFactory.createHeader("My-Header", "my header value"); request.addHeader(extensionHeader); String sdpData = "v=0\r\n" + "o=4855 13760799956958020 13760799956958020" + " IN IP4 129.6.55.78\r\n" + "s=mysession session\r\n" + "p=+46 8 52018010\r\n" + "c=IN IP4 129.6.55.78\r\n" + "t=0 0\r\n" + "m=audio 6022 RTP/AVP 0 4 18\r\n" + "a=rtpmap:0 PCMU/8000\r\n" + "a=rtpmap:4 G723/8000\r\n" + "a=rtpmap:18 G729A/8000\r\n" + "a=ptime:20\r\n"; byte[] contents = sdpData.getBytes(); request.setContent(contents, contentTypeHeader); extensionHeader = headerFactory.createHeader("My-Other-Header", "my new header value "); request.addHeader(extensionHeader); Header callInfoHeader = headerFactory.createHeader("Call-Info", "<http://www.antd.nist.gov>"); request.addHeader(callInfoHeader); // Create the client transaction. ClientTransaction inviteTid = sipProvider.getNewClientTransaction(request); inviteTid.sendRequest(); } } catch (Exception ex) { System.out.println(ex.getMessage()); ex.printStackTrace(); usage(); } }
public void sendSubscribe(String localURL, String buddyURI, boolean EXPIRED) { try { logger.debug("Sending SUBSCRIBE in progress to the buddy: " + buddyURI); int proxyPort = imUA.getProxyPort(); String proxyAddress = imUA.getProxyAddress(); String imProtocol = imUA.getIMProtocol(); SipStack sipStack = imUA.getSipStack(); SipProvider sipProvider = imUA.getSipProvider(); MessageFactory messageFactory = imUA.getMessageFactory(); HeaderFactory headerFactory = imUA.getHeaderFactory(); AddressFactory addressFactory = imUA.getAddressFactory(); // Request-URI: // URI requestURI=addressFactory.createURI(buddyURI); SipURI requestURI = addressFactory.createSipURI(null, proxyAddress); requestURI.setPort(proxyPort); requestURI.setTransportParam(imProtocol); // Call-Id: CallIdHeader callIdHeader = null; // CSeq: CSeqHeader cseqHeader = null; // To header: ToHeader toHeader = null; // From Header: FromHeader fromHeader = null; // Via header String branchId = Utils.generateBranchId(); ViaHeader viaHeader = headerFactory.createViaHeader( imUA.getIMAddress(), imUA.getIMPort(), imProtocol, branchId); Vector viaList = new Vector(); viaList.addElement(viaHeader); PresenceManager presenceManager = imUA.getPresenceManager(); Presentity presentity = presenceManager.getPresentity(buddyURI); Dialog dialog = null; if (presentity != null) dialog = presentity.getDialog(); if (dialog != null) { // We have to remove the subscriber and the Presentity related // with this Buddy... presenceManager.removePresentity(buddyURI); Subscriber subscriber = presenceManager.getSubscriber(buddyURI); if (subscriber == null) { // It means that the guy does not have us in his buddy list // nothing to do!!! } else { presenceManager.removeSubscriber(buddyURI); } Address localAddress = dialog.getLocalParty(); Address remoteAddress = dialog.getRemoteParty(); fromHeader = headerFactory.createFromHeader(localAddress, dialog.getLocalTag()); toHeader = headerFactory.createToHeader(remoteAddress, dialog.getRemoteTag()); long cseq = dialog.getLocalSeqNumber(); cseqHeader = headerFactory.createCSeqHeader(cseq, "MESSAGE"); callIdHeader = dialog.getCallId(); } else { String localTag = Utils.generateTag(); Address toAddress = addressFactory.createAddress(buddyURI); Address fromAddress = addressFactory.createAddress(localURL); fromHeader = headerFactory.createFromHeader(fromAddress, localTag); toHeader = headerFactory.createToHeader(toAddress, null); // CSeq: cseqHeader = headerFactory.createCSeqHeader(1L, "SUBSCRIBE"); callIdCounter++; // Call-ID: callIdHeader = (CallIdHeader) headerFactory.createCallIdHeader("nist-sip-im-subscribe-callId" + callIdCounter); } // MaxForwards header: MaxForwardsHeader maxForwardsHeader = headerFactory.createMaxForwardsHeader(70); Request request = messageFactory.createRequest( requestURI, "SUBSCRIBE", callIdHeader, cseqHeader, fromHeader, toHeader, viaList, maxForwardsHeader); RouteHeader rh = this.imUA.getRouteToProxy(); request.setHeader(rh); // Contact header: SipURI sipURI = addressFactory.createSipURI(null, imUA.getIMAddress()); sipURI.setPort(imUA.getIMPort()); sipURI.setTransportParam(imUA.getIMProtocol()); Address contactAddress = addressFactory.createAddress(sipURI); ContactHeader contactHeader = headerFactory.createContactHeader(contactAddress); request.setHeader(contactHeader); ExpiresHeader expiresHeader = null; if (EXPIRED) { expiresHeader = headerFactory.createExpiresHeader(0); } else { expiresHeader = headerFactory.createExpiresHeader(presenceManager.getExpiresTime()); } request.setHeader(expiresHeader); // WE have to add a new Header: "Event" Header eventHeader = headerFactory.createHeader("Event", "presence"); request.setHeader(eventHeader); // Add Acceptw Header Header acceptHeader = headerFactory.createHeader("Accept", "application/pidf+xml"); request.setHeader(acceptHeader); // ProxyAuthorization header if not null: ProxyAuthorizationHeader proxyAuthHeader = imUA.getProxyAuthorizationHeader(); if (proxyAuthHeader != null) request.setHeader(proxyAuthHeader); ClientTransaction clientTransaction = sipProvider.getNewClientTransaction(request); if (dialog != null) { dialog.sendRequest(clientTransaction); } else { clientTransaction.sendRequest(); } logger.debug("IMSubscribeProcessing, sendSubscribe(), SUBSCRIBE sent:\n" + request); } catch (Exception ex) { ex.printStackTrace(); } }
public void sendPublish(String localURI, String status) { try { logger.debug("Sending PUBLISH in progress"); int proxyPort = imUA.getProxyPort(); String proxyAddress = imUA.getProxyAddress(); String imProtocol = imUA.getIMProtocol(); SipStack sipStack = imUA.getSipStack(); SipProvider sipProvider = imUA.getSipProvider(); MessageFactory messageFactory = imUA.getMessageFactory(); HeaderFactory headerFactory = imUA.getHeaderFactory(); AddressFactory addressFactory = imUA.getAddressFactory(); // Request-URI: if (localURI.startsWith("sip:")) localURI = localURI.substring(4, localURI.length()); SipURI requestURI = addressFactory.createSipURI(null, localURI); requestURI.setPort(proxyPort); requestURI.setTransportParam(imProtocol); // Via header String branchId = Utils.generateBranchId(); ViaHeader viaHeader = headerFactory.createViaHeader( imUA.getIMAddress(), imUA.getIMPort(), imProtocol, branchId); Vector viaList = new Vector(); viaList.addElement(viaHeader); // To header: System.out.println("XXX localURI=" + localURI); Address localAddress = addressFactory.createAddress("sip:" + localURI); ToHeader toHeader = headerFactory.createToHeader(localAddress, null); // From header: String localTag = Utils.generateTag(); FromHeader fromHeader = headerFactory.createFromHeader(localAddress, localTag); // Call-ID: CallIdHeader callIdHeader = headerFactory.createCallIdHeader(callIdCounter + localURI); // CSeq: CSeqHeader cseqHeader = headerFactory.createCSeqHeader(1L, "PUBLISH"); // MaxForwards header: MaxForwardsHeader maxForwardsHeader = headerFactory.createMaxForwardsHeader(70); // Create Request Request request = messageFactory.createRequest( requestURI, "PUBLISH", callIdHeader, cseqHeader, fromHeader, toHeader, viaList, maxForwardsHeader); // Expires header: (none, let server chose) // Event header: Header header = headerFactory.createHeader("Event", "presence"); request.setHeader(header); RouteHeader routeHeader = this.imUA.getRouteToProxy(); request.setHeader(routeHeader); // Content and Content-Type header: String basic; if (status.equals("offline")) basic = "closed"; else basic = "open"; String content = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + "<presence xmlns=\"urn:ietf:params:xml:ns:pidf\"" + " entity=\"" + localURI + "\">\n" + " <tuple id=\"" + entity + "\">\n" + " <status>\n" + " <basic>" + basic + "</basic>\n" + " </status>\n" + " <note>" + status + "</note>\n" + " </tuple>\n" + "</presence>"; ContentTypeHeader contentTypeHeader = headerFactory.createContentTypeHeader("application", "pidf+xml"); request.setContent(content, contentTypeHeader); // Content-Length header: ContentLengthHeader contentLengthHeader = headerFactory.createContentLengthHeader(content.length()); request.setContentLength(contentLengthHeader); // Send request ClientTransaction clientTransaction = sipProvider.getNewClientTransaction(request); clientTransaction.sendRequest(); } catch (Exception ex) { ex.printStackTrace(); } }
public ClientTransaction call(SipURI destination) { try { String fromName = "B2BUA"; String fromSipAddress = "here.com"; String fromDisplayName = "B2BUA"; String toSipAddress = "there.com"; String toUser = "******"; String toDisplayName = "Target"; // create >From Header SipURI fromAddress = addressFactory.createSipURI(fromName, fromSipAddress); Address fromNameAddress = addressFactory.createAddress(fromAddress); fromNameAddress.setDisplayName(fromDisplayName); FromHeader fromHeader = headerFactory.createFromHeader( fromNameAddress, new Long(counter.getAndIncrement()).toString()); // create To Header SipURI toAddress = addressFactory.createSipURI(toUser, toSipAddress); Address toNameAddress = addressFactory.createAddress(toAddress); toNameAddress.setDisplayName(toDisplayName); ToHeader toHeader = headerFactory.createToHeader(toNameAddress, null); // create Request URI SipURI requestURI = destination; // Create ViaHeaders ArrayList viaHeaders = new ArrayList(); String ipAddress = listeningPoint.getIPAddress(); ViaHeader viaHeader = headerFactory.createViaHeader( ipAddress, sipProvider.getListeningPoint(transport).getPort(), transport, null); // add via headers viaHeaders.add(viaHeader); // Create ContentTypeHeader ContentTypeHeader contentTypeHeader = headerFactory.createContentTypeHeader("application", "sdp"); // Create a new CallId header CallIdHeader callIdHeader = sipProvider.getNewCallId(); // Create a new Cseq header CSeqHeader cSeqHeader = headerFactory.createCSeqHeader(1L, Request.INVITE); // Create a new MaxForwardsHeader MaxForwardsHeader maxForwards = headerFactory.createMaxForwardsHeader(70); // Create the request. Request request = messageFactory.createRequest( requestURI, Request.INVITE, callIdHeader, cSeqHeader, fromHeader, toHeader, viaHeaders, maxForwards); // Create contact headers String host = "127.0.0.1"; SipURI contactUrl = addressFactory.createSipURI(fromName, host); contactUrl.setPort(listeningPoint.getPort()); contactUrl.setLrParam(); // Create the contact name address. SipURI contactURI = addressFactory.createSipURI(fromName, host); contactURI.setPort(sipProvider.getListeningPoint(transport).getPort()); Address contactAddress = addressFactory.createAddress(contactURI); // Add the contact address. contactAddress.setDisplayName(fromName); ContactHeader contactHeader = headerFactory.createContactHeader(contactAddress); request.addHeader(contactHeader); // You can add extension headers of your own making // to the outgoing SIP request. // Add the extension header. Header extensionHeader = headerFactory.createHeader("My-Header", "my header value"); request.addHeader(extensionHeader); String sdpData = "v=0\r\n" + "o=4855 13760799956958020 13760799956958020" + " IN IP4 129.6.55.78\r\n" + "s=mysession session\r\n" + "p=+46 8 52018010\r\n" + "c=IN IP4 129.6.55.78\r\n" + "t=0 0\r\n" + "m=audio 6022 RTP/AVP 0 4 18\r\n" + "a=rtpmap:0 PCMU/8000\r\n" + "a=rtpmap:4 G723/8000\r\n" + "a=rtpmap:18 G729A/8000\r\n" + "a=ptime:20\r\n"; byte[] contents = sdpData.getBytes(); request.setContent(contents, contentTypeHeader); // You can add as many extension headers as you // want. extensionHeader = headerFactory.createHeader("My-Other-Header", "my new header value "); request.addHeader(extensionHeader); Header callInfoHeader = headerFactory.createHeader("Call-Info", "<http://www.antd.nist.gov>"); request.addHeader(callInfoHeader); // Create the client transaction. ClientTransaction inviteTid = sipProvider.getNewClientTransaction(request); System.out.println("inviteTid = " + inviteTid); // send the request out. inviteTid.sendRequest(); return inviteTid; } catch (Exception ex) { System.out.println(ex.getMessage()); ex.printStackTrace(); } return null; }