/** Done with treatments for call end, now terminate the call */ public void terminateCall() { if (receivedBye == false) { if (gotOk == false || (getState() == CallState.INVITED && callAnswered == false)) { try { Logger.writeFile("Call " + cp + ": sendCancel"); sipUtil.sendCancel(clientTransaction); } catch (Exception e) { Logger.println("sendCancel " + e.getMessage()); } } else { /* * Try sending a BYE as well. * Seems that when we treat SESSION_PROGRESS * as OK, sometimes we need to send a CANCEL * and other times a BYE. We'll send both. */ try { Logger.writeFile("Call " + cp + ": sendBye"); sipUtil.sendBye(clientTransaction); } catch (Exception e) { Logger.println("Call " + cp + ": sendBye" + e.getMessage()); } } } }
/** * Sets the Call-Id of the InReplyToHeader. The CallId parameter uniquely identifies a serious of * messages within a dialogue. * * @param callId - the string value of the Call-Id of this InReplyToHeader. * @throws ParseException which signals that an error has been reached unexpectedly while parsing * the callId value. */ public void setCallId(String callId) throws ParseException { try { this.callId = new CallIdentifier(callId); } catch (Exception e) { throw new ParseException(e.getMessage(), 0); } }
public void init() { this.dialogIds = new HashSet(); this.transactionIDs = new HashMap(); SipFactory sipFactory = null; sipStack = null; sipFactory = SipFactory.getInstance(); sipFactory.setPathName("gov.nist"); Properties properties = new Properties(); properties.setProperty("javax.sip.STACK_NAME", "shootme"); // 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", "32"); properties.setProperty("gov.nist.javax.sip.DEBUG_LOG", "shootmedebuglog.txt"); properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "shootmelog.txt"); // Guard against starvation. properties.setProperty("gov.nist.javax.sip.READ_TIMEOUT", "1000"); // properties.setProperty("gov.nist.javax.sip.MAX_MESSAGE_SIZE", // "4096"); properties.setProperty("gov.nist.javax.sip.CACHE_SERVER_CONNECTIONS", "false"); try { // Create SipStack object sipStack = sipFactory.createSipStack(properties); System.out.println("sipStack = " + sipStack); } catch (PeerUnavailableException e) { // could not find // gov.nist.jain.protocol.ip.sip.SipStackImpl // in the classpath e.printStackTrace(); System.err.println(e.getMessage()); if (e.getCause() != null) e.getCause().printStackTrace(); System.exit(0); } try { headerFactory = sipFactory.createHeaderFactory(); addressFactory = sipFactory.createAddressFactory(); messageFactory = sipFactory.createMessageFactory(); ListeningPoint lp = sipStack.createListeningPoint(myAddress, 5070, "udp"); ListeningPoint lp1 = sipStack.createListeningPoint(myAddress, 5070, "tcp"); Shootme listener = this; SipProvider sipProvider = sipStack.createSipProvider(lp); System.out.println("udp provider " + sipProvider); sipProvider.addSipListener(listener); sipProvider = sipStack.createSipProvider(lp1); System.out.println("tcp provider " + sipProvider); sipProvider.addSipListener(listener); } catch (Exception ex) { System.out.println(ex.getMessage()); ex.printStackTrace(); usage(); } }
public void init() { ConsoleAppender console = new ConsoleAppender(); // create appender // configure the appender String PATTERN = "%d [%p|%c|%C{1}] %m%n"; console.setLayout(new PatternLayout(PATTERN)); console.setThreshold(Level.DEBUG); console.activateOptions(); // add appender to any Logger (here is root) Logger.getRootLogger().addAppender(console); SipFactory sipFactory = null; sipStack = null; sipFactory = SipFactory.getInstance(); sipFactory.setPathName("gov.nist"); Properties properties = new Properties(); properties.setProperty("javax.sip.STACK_NAME", "shootme"); // 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", "LOG4J"); properties.setProperty("gov.nist.javax.sip.DEBUG_LOG", "shootmedebug.txt"); properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "shootmelog.txt"); properties.setProperty( "gov.nist.javax.sip.MESSAGE_PROCESSOR_FACTORY", NioMessageProcessorFactory.class.getName()); try { // Create SipStack object sipStack = sipFactory.createSipStack(properties); System.out.println("sipStack = " + sipStack); } catch (PeerUnavailableException e) { // could not find // gov.nist.jain.protocol.ip.sip.SipStackImpl // in the classpath e.printStackTrace(); System.err.println(e.getMessage()); if (e.getCause() != null) e.getCause().printStackTrace(); System.exit(0); } try { headerFactory = sipFactory.createHeaderFactory(); addressFactory = sipFactory.createAddressFactory(); messageFactory = sipFactory.createMessageFactory(); this.listeningPoint = sipStack.createListeningPoint("127.0.0.1", myPort, transport); B2BUA listener = this; sipProvider = sipStack.createSipProvider(listeningPoint); System.out.println("ws provider " + sipProvider); sipProvider.addSipListener(listener); } catch (Exception ex) { System.out.println(ex.getMessage()); ex.printStackTrace(); } }
public void init() { SipFactory sipFactory = null; sipStack = null; sipFactory = SipFactory.getInstance(); sipFactory.setPathName("gov.nist"); Properties properties = new Properties(); properties.setProperty("javax.sip.STACK_NAME", "shootme"); // 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", "32"); properties.setProperty("gov.nist.javax.sip.DEBUG_LOG", "shootmedebug.txt"); properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "shootmelog.txt"); try { // Create SipStack object sipStack = sipFactory.createSipStack(properties); System.out.println("sipStack = " + sipStack); } catch (PeerUnavailableException e) { // could not find // gov.nist.jain.protocol.ip.sip.SipStackImpl // in the classpath e.printStackTrace(); System.err.println(e.getMessage()); if (e.getCause() != null) e.getCause().printStackTrace(); System.exit(0); } try { headerFactory = sipFactory.createHeaderFactory(); addressFactory = sipFactory.createAddressFactory(); messageFactory = sipFactory.createMessageFactory(); ListeningPoint lp = sipStack.createListeningPoint("127.0.0.1", 5070, "udp"); Shootme listener = this; SipProvider sipProvider = sipStack.createSipProvider(lp); System.out.println("udp provider " + sipProvider); sipProvider.addSipListener(listener); } catch (Exception ex) { System.out.println(ex.getMessage()); ex.printStackTrace(); usage(); } }
private void handleReInvite(Request request, ServerTransaction st) { Logger.println("Call " + cp + " Re-INVITE\n" + request); if (request.getRawContent() == null) { Logger.error("Call " + cp + " no SDP in INVITE Request!"); return; } String sdpBody = new String(request.getRawContent()); SdpInfo sdpInfo; try { sdpInfo = sipUtil.getSdpInfo(sdpBody); } catch (ParseException e) { Logger.error("Call " + cp + " invalid SDP in re-INVITE Request! " + e.getMessage()); return; } MediaInfo mediaInfo = sdpInfo.getMediaInfo(); InetSocketAddress isa = new InetSocketAddress(sdpInfo.getRemoteHost(), sdpInfo.getRemotePort()); InetSocketAddress rtcpAddress = sdpInfo.getRtcpAddress(); setEndpointAddress( isa, mediaInfo.getPayload(), sdpInfo.getTransmitMediaInfo().getPayload(), sdpInfo.getTelephoneEventPayload(), rtcpAddress); isa = callHandler.getReceiveAddress(); try { sipUtil.sendOkWithSdp(request, st, isa, sdpInfo); } catch (Exception e) { Logger.println("Call " + cp + " Failed to send ok with sdp for re-invite " + e.getMessage()); return; } }
/** * handles a BYE request * * @param request the request * @param transId the transaction Id * @throws TransactionDoesNotExistException when the transaction record does not exist. */ private void handleBye(Request request, ServerTransaction st) { try { CallIdHeader callIdHeader = (CallIdHeader) request.getHeader("Call-Id"); String sipCallId = callIdHeader.getCallId(); if (sipCallId.equals(this.sipCallId)) { receivedBye = true; try { Logger.writeFile("Call " + cp + " has hung up."); // sipUtil.sendOK(clientTransaction, st, cp); sipUtil.sendOK(request, st); } catch (Exception e) { /* * We sometimes get a null ServerTransaction */ } cancelRequest("hung up"); sipServerCallback.removeSipListener(sipCallId); } else { /* * this should not happen since the message has been * delegated to this sip agent. */ throw new TransactionDoesNotExistException( cp + "BYE request received did not " + "match either party: " + request); } } catch (TransactionDoesNotExistException e) { Logger.error("Call " + cp + " Transaction not found " + e.getMessage()); } catch (SipException e) { Logger.exception("Call " + cp + " SIP Stack error", e); cancelRequest("handleBye: SIP Stack error " + e.getMessage()); } catch (Exception e) { Logger.exception("Call " + cp + " Unknown error ", e); cancelRequest("handleBye: SIP Stack error " + e.getMessage()); } }
public synchronized void processResponse(ResponseEvent responseReceivedEvent) { try { Response response = (Response) responseReceivedEvent.getResponse(); ClientTransaction clientTransaction = responseReceivedEvent.getClientTransaction(); int statusCode = response.getStatusCode(); FromHeader fromHeader = (FromHeader) response.getHeader(FromHeader.NAME); String displayName = fromHeader.getAddress().getDisplayName(); if (Logger.logLevel >= Logger.LOG_SIP) { Logger.println( "Response: statusCode " + statusCode + " state " + getCallState() + " fromHeader " + displayName + " call participant " + cp.getName()); } if (reasonCallTerminated != null) { /* * Ignore OK and Request Terminated. * XXX what's the symbol for 487? */ if (statusCode != Response.OK && statusCode != 487) { if (Logger.logLevel >= Logger.LOG_SIP) { Logger.println("Call " + cp + ": request cancelled, ignoring response"); } } CallIdHeader callIdHeader = (CallIdHeader) response.getHeader("Call-Id"); String sipCallId = callIdHeader.getCallId(); sipServerCallback.removeSipListener(sipCallId); return; } /* * Some type of global failure that prevents the * CallParticipant from being contacted, report failure. */ if (forceGatewayError) { statusCode = 500; forceGatewayError = false; } if (statusCode >= 500 && getState() == CallState.INVITED) { Logger.error( "Call " + cp + " gateway error: " + statusCode + " " + response.getReasonPhrase()); cancelRequest("gateway error: " + statusCode + " " + response.getReasonPhrase()); return; } else if (statusCode == Response.PROXY_AUTHENTICATION_REQUIRED || statusCode == Response.UNAUTHORIZED) { if (cp.getProxyCredentials() != null) { try { SipServer.handleChallenge(response, clientTransaction, cp.getProxyCredentials()) .sendRequest(); } catch (Exception e) { Logger.println("Proxy authentification failed " + e); } } return; } else if (statusCode >= 400) { // if we get a busy or an unknown error, play busy. Logger.println("Call " + cp + " got status code :" + statusCode); cp.setCallEndTreatment(null); cp.setConferenceJoinTreatment(null); cp.setConferenceLeaveTreatment(null); /* * play busy treatment, but deallocate any resources * held up by ringBack first, if any. */ // stopCallAnsweredTreatment(); if (statusCode == Response.BUSY_HERE) { try { if (busyTreatment != null) { addTreatment(busyTreatment); // busyTreatment.waitForTreatment(); } else { Logger.println("Unable to play busy treatment!!!"); } } catch (Exception e) { Logger.error("can't start busy treatment!" + sdpBody); } CallEvent callEvent = new CallEvent(CallEvent.BUSY_HERE); callEvent.setInfo(response.getReasonPhrase()); sendCallEventNotification(callEvent); } // sipUtil.sendBye(clientTransaction); cancelRequest(response.getReasonPhrase()); return; } /* state machine */ switch (getState()) { /* * CallParticipant picked up, send treatment if any, * and wait for it to finish. */ case CallState.INVITED: if (rejectCall) { Logger.error( "Call " + cp + " gateway error: " + statusCode + " " + response.getReasonPhrase()); cancelRequest("gateway error: " + statusCode + " " + response.getReasonPhrase()); return; } handleCallParticipantInvited(response, clientTransaction); break; /* * Call established, the ACK needs to be resent. * According to Ranga, this is done by the NIST SIP Stack. */ case CallState.ESTABLISHED: if (statusCode == Response.OK) { gotOk = true; Logger.writeFile("Call " + cp + " Got OK, ESTABLISHED"); if (ackSent == false) { sipUtil.sendAck(clientTransaction); ackSent = true; } } break; case CallState.ENDED: break; // ignore the response default: Logger.error("Process Response bad state " + getState() + "\n" + response); } } catch (SipException e) { Logger.exception("Call " + cp + " SIP Stack error ", e); cancelRequest("processResponse: SIP Stack error " + e.getMessage()); } catch (Exception e) { Logger.exception("processResponse: " + cp, e); cancelRequest("processResponse: SIP Stack error " + e.getMessage()); } }
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 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; }