static SIPSoftPhoneState()
{
try
{
if (ConfigurationManager.GetSection(SIPSOFTPHONE_CONFIGNODE_NAME) != null)
{
m_sipSoftPhoneConfigNode = (XmlNode)ConfigurationManager.GetSection(SIPSOFTPHONE_CONFIGNODE_NAME);
}
if (m_sipSoftPhoneConfigNode != null)
{
SIPSocketsNode = m_sipSoftPhoneConfigNode.SelectSingleNode(SIPSOCKETS_CONFIGNODE_NAME);
}
STUNServerHostname = ConfigurationManager.AppSettings[STUN_SERVER_KEY];
DefaultLocalAddress = LocalIPConfig.GetDefaultIPv4Address();
logger.Debug("Default local IPv4 address determined as " + DefaultLocalAddress + ".");
}
catch (Exception excp)
{
logger.Error("Exception SIPSoftPhoneState. " + excp.Message);
throw;
}
}
static void Main(string[] args)
{
try
{
// Configure the SIP transport layer.
_sipTransport = new SIPTransport(SIPDNSManager.ResolveSIPService, new SIPTransactionEngine());
// Use default options to set up a SIP channel.
var localIP = LocalIPConfig.GetDefaultIPv4Address(); // Set this manually if needed.
int port = FreePort.FindNextAvailableUDPPort(_defaultSIPUdpPort);
var sipChannel = new SIPUDPChannel(new IPEndPoint(localIP, port));
_sipTransport.AddSIPChannel(sipChannel);
SIPCallDescriptor callDescriptor = new SIPCallDescriptor("test", null, "sip:[email protected]", "sip:[email protected]", null, null, null, null, SIPCallDirection.Out, null, null, null);
SIPNonInviteClientUserAgent notifyUac = new SIPNonInviteClientUserAgent(_sipTransport, null, callDescriptor, null, null, (monitorEvent) => { Console.WriteLine("Debug: " + monitorEvent.Message); });
notifyUac.ResponseReceived += (resp) => { Console.WriteLine(resp.ToString()); };
notifyUac.SendRequest(SIPMethodsEnum.NOTIFY);
ManualResetEvent mre = new ManualResetEvent(false);
mre.WaitOne();
}
catch (Exception excp)
{
Console.WriteLine("Exception Main. " + excp);
}
finally
{
Console.WriteLine("Press any key to exit...");
Console.ReadLine();
}
}
static ProxyState()
{
try
{
var loggerFactory = Microsoft.Extensions.Logging.LoggerFactory.Create(builder =>
{
builder
.AddFilter("*", LogLevel.Debug)
.AddConsole();
});
SIPSorcery.Sys.Log.LoggerFactory = loggerFactory;
if (ConfigurationManager.GetSection(SIPPROXY_CONFIGNODE_NAME) != null)
{
m_proxyConfigNode = (XmlNode)ConfigurationManager.GetSection(SIPPROXY_CONFIGNODE_NAME);
}
if (m_proxyConfigNode != null)
{
SIPSocketsNode = m_proxyConfigNode.SelectSingleNode(SIPSOCKETS_CONFIGNODE_NAME);
}
DefaultLocalAddress = LocalIPConfig.GetDefaultIPv4Address();
SIPSorcery.Sys.Log.Logger.LogDebug("Default local IPv4 address determined as " + DefaultLocalAddress + ".");
}
catch (Exception excp)
{
SIPSorcery.Sys.Log.Logger.LogError("Exception ProxyState. " + excp.Message);
throw;
}
}
static void Main(string[] args)
{
Console.WriteLine("SIPSorcery registration user agent example.");
Console.WriteLine("Press ctrl-c to exit.");
// Logging configuration. Can be ommitted if internal SIPSorcery debug and warning messages are not required.
var loggerFactory = new Microsoft.Extensions.Logging.LoggerFactory();
var loggerConfig = new LoggerConfiguration()
.Enrich.FromLogContext()
.MinimumLevel.Is(Serilog.Events.LogEventLevel.Debug)
.WriteTo.Console()
.CreateLogger();
loggerFactory.AddSerilog(loggerConfig);
SIPSorcery.Sys.Log.LoggerFactory = loggerFactory;
// If your default DNS server supports SRV records there is no need to set a specific DNS server.
DNSManager.SetDNSServers(new List <IPEndPoint> {
IPEndPoint.Parse("8.8.8.8:53")
});
// Set up a default SIP transport.
var sipTransport = new SIPTransport(SIPDNSManager.ResolveSIPService, new SIPTransactionEngine());
int port = FreePort.FindNextAvailableUDPPort(SIPConstants.DEFAULT_SIP_PORT);
var sipChannel = new SIPUDPChannel(new IPEndPoint(LocalIPConfig.GetDefaultIPv4Address(), port));
sipTransport.AddSIPChannel(sipChannel);
// Create a client user agent to maintain a periodic registration with a SIP server.
var regUserAgent = new SIPRegistrationUserAgent(
sipTransport,
"softphonesample",
"password",
"sipsorcery.com");
// Event handlers for the different stages of the registration.
regUserAgent.RegistrationFailed += (uri, err) => SIPSorcery.Sys.Log.Logger.LogError($"{uri.ToString()}: {err}");
regUserAgent.RegistrationTemporaryFailure += (uri, msg) => SIPSorcery.Sys.Log.Logger.LogWarning($"{uri.ToString()}: {msg}");
regUserAgent.RegistrationRemoved += (uri) => SIPSorcery.Sys.Log.Logger.LogError($"{uri.ToString()} registration failed.");
regUserAgent.RegistrationSuccessful += (uri) => SIPSorcery.Sys.Log.Logger.LogInformation($"{uri.ToString()} registration succeeded.");
// Start the thread to perform the initial registration and then periodically resend it.
regUserAgent.Start();
}
private const int SUCCESS_REGISTRATION_COUNT = 3; // Number of successful registrations to attempt before exiting process.
static void Main(string[] args)
{
Console.WriteLine("SIPSorcery registration user agent example.");
Console.WriteLine("Press ctrl-c to exit.");
// Logging configuration. Can be ommitted if internal SIPSorcery debug and warning messages are not required.
var loggerFactory = new Microsoft.Extensions.Logging.LoggerFactory();
var loggerConfig = new LoggerConfiguration()
.Enrich.FromLogContext()
.MinimumLevel.Is(Serilog.Events.LogEventLevel.Debug)
.WriteTo.Console()
.CreateLogger();
loggerFactory.AddSerilog(loggerConfig);
SIPSorcery.Sys.Log.LoggerFactory = loggerFactory;
// Set up a default SIP transport.
var sipTransport = new SIPTransport(SIPDNSManager.ResolveSIPService, new SIPTransactionEngine());
int port = FreePort.FindNextAvailableUDPPort(SIPConstants.DEFAULT_SIP_PORT);
var sipChannel = new SIPUDPChannel(new IPEndPoint(LocalIPConfig.GetDefaultIPv4Address(), port));
sipTransport.AddSIPChannel(sipChannel);
// Create a client user agent to maintain a periodic registration with a SIP server.
var regUserAgent = new SIPRegistrationUserAgent(
sipTransport,
"softphonesample",
"password",
"sipsorcery.com",
120);
int successCounter = 0;
ManualResetEvent taskCompleteMre = new ManualResetEvent(false);
// Event handlers for the different stages of the registration.
regUserAgent.RegistrationFailed += (uri, err) => SIPSorcery.Sys.Log.Logger.LogError($"{uri.ToString()}: {err}");
regUserAgent.RegistrationTemporaryFailure += (uri, msg) => SIPSorcery.Sys.Log.Logger.LogWarning($"{uri.ToString()}: {msg}");
regUserAgent.RegistrationRemoved += (uri) => SIPSorcery.Sys.Log.Logger.LogError($"{uri.ToString()} registration failed.");
regUserAgent.RegistrationSuccessful += (uri) =>
{
SIPSorcery.Sys.Log.Logger.LogInformation($"{uri.ToString()} registration succeeded.");
Interlocked.Increment(ref successCounter);
SIPSorcery.Sys.Log.Logger.LogInformation($"Successful registrations {successCounter} of {SUCCESS_REGISTRATION_COUNT}.");
if (successCounter == SUCCESS_REGISTRATION_COUNT)
{
taskCompleteMre.Set();
}
};
Console.CancelKeyPress += delegate(object sender, ConsoleCancelEventArgs e)
{
e.Cancel = true;
SIPSorcery.Sys.Log.Logger.LogInformation("Exiting...");
taskCompleteMre.Set();
};
// Start the thread to perform the initial registration and then periodically resend it.
regUserAgent.Start();
taskCompleteMre.WaitOne();
regUserAgent.Stop();
if (sipTransport != null)
{
SIPSorcery.Sys.Log.Logger.LogInformation("Shutting down SIP transport...");
sipTransport.Shutdown();
}
SIPSorcery.Net.DNSManager.Stop();
}
private static readonly int RTP_REPORTING_PERIOD_SECONDS = 5; // Period at which to write RTP stats.
static void Main()
{
Console.WriteLine("SIPSorcery client user agent server example.");
Console.WriteLine("Press ctrl-c to exit.");
// Logging configuration. Can be ommitted if internal SIPSorcery debug and warning messages are not required.
var loggerFactory = new Microsoft.Extensions.Logging.LoggerFactory();
var loggerConfig = new LoggerConfiguration()
.Enrich.FromLogContext()
.MinimumLevel.Is(Serilog.Events.LogEventLevel.Debug)
.WriteTo.Console()
.CreateLogger();
loggerFactory.AddSerilog(loggerConfig);
SIPSorcery.Sys.Log.LoggerFactory = loggerFactory;
// Set up a default SIP transport.
IPAddress defaultAddr = LocalIPConfig.GetDefaultIPv4Address();
var sipTransport = new SIPTransport(SIPDNSManager.ResolveSIPService, new SIPTransactionEngine());
int port = FreePort.FindNextAvailableUDPPort(SIPConstants.DEFAULT_SIP_PORT);
var sipChannel = new SIPUDPChannel(new IPEndPoint(defaultAddr, port));
sipTransport.AddSIPChannel(sipChannel);
// To keep things a bit simpler this example only supports a single call at a time and the SIP server user agent
// acts as a singleton
SIPServerUserAgent uas = null;
CancellationTokenSource uasCts = null;
// Because this is a server user agent the SIP transport must start listening for client user agents.
sipTransport.SIPTransportRequestReceived += (SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPRequest sipRequest) =>
{
if (sipRequest.Method == SIPMethodsEnum.INVITE)
{
SIPSorcery.Sys.Log.Logger.LogInformation("Incoming call request: " + localSIPEndPoint + "<-" + remoteEndPoint + " " + sipRequest.URI.ToString() + ".");
// If there's already a call in progress hang it up. Of course this is not ideal for a real softphone or server but it
// means this example can be kept a little it simpler.
uas?.Hangup();
UASInviteTransaction uasTransaction = sipTransport.CreateUASTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, null);
uas = new SIPServerUserAgent(sipTransport, null, null, null, SIPCallDirection.In, null, null, null, uasTransaction);
uasCts = new CancellationTokenSource();
uas.Progress(SIPResponseStatusCodesEnum.Trying, null, null, null, null);
uas.Progress(SIPResponseStatusCodesEnum.Ringing, null, null, null, null);
// Initialise an RTP session to receive the RTP packets from the remote SIP server.
Socket rtpSocket = null;
Socket controlSocket = null;
NetServices.CreateRtpSocket(defaultAddr, 49000, 49100, false, out rtpSocket, out controlSocket);
IPEndPoint rtpEndPoint = rtpSocket.LocalEndPoint as IPEndPoint;
IPEndPoint dstRtpEndPoint = SDP.GetSDPRTPEndPoint(sipRequest.Body);
var rtpSession = new RTPSession((int)RTPPayloadTypesEnum.PCMU, null, null);
var rtpTask = Task.Run(() => SendRecvRtp(rtpSocket, rtpSession, dstRtpEndPoint, AUDIO_FILE, uasCts))
.ContinueWith(_ => { if (uas?.IsHungup == false)
{
uas?.Hangup();
}
});
uas.Answer(SDP.SDP_MIME_CONTENTTYPE, GetSDP(rtpEndPoint).ToString(), null, SIPDialogueTransferModesEnum.NotAllowed);
}
else if (sipRequest.Method == SIPMethodsEnum.BYE)
{
SIPSorcery.Sys.Log.Logger.LogInformation("Call hungup.");
SIPNonInviteTransaction byeTransaction = sipTransport.CreateNonInviteTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, null);
SIPResponse byeResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.Ok, null);
byeTransaction.SendFinalResponse(byeResponse);
uas?.Hangup();
uasCts?.Cancel();
}
};
Console.CancelKeyPress += delegate(object sender, ConsoleCancelEventArgs e)
{
e.Cancel = true;
SIPSorcery.Sys.Log.Logger.LogInformation("Exiting...");
if (uas?.IsHungup == false)
{
uas?.Hangup();
}
uasCts?.Cancel();
if (sipTransport != null)
{
SIPSorcery.Sys.Log.Logger.LogInformation("Shutting down SIP transport...");
sipTransport.Shutdown();
}
};
}
private static readonly int RTP_REPORTING_PERIOD_SECONDS = 5; // Period at which to write RTP stats.
static void Main()
{
Console.WriteLine("SIPSorcery client user agent example.");
Console.WriteLine("Press ctrl-c to exit.");
// Plumbing code to facilitate a graceful exit.
CancellationTokenSource cts = new CancellationTokenSource();
bool isCallHungup = false;
bool hasCallFailed = false;
// Logging configuration. Can be ommitted if internal SIPSorcery debug and warning messages are not required.
var loggerFactory = new Microsoft.Extensions.Logging.LoggerFactory();
var loggerConfig = new LoggerConfiguration()
.Enrich.FromLogContext()
.MinimumLevel.Is(Serilog.Events.LogEventLevel.Debug)
.WriteTo.Console()
.CreateLogger();
loggerFactory.AddSerilog(loggerConfig);
SIPSorcery.Sys.Log.LoggerFactory = loggerFactory;
// Set up a default SIP transport.
IPAddress defaultAddr = LocalIPConfig.GetDefaultIPv4Address();
var sipTransport = new SIPTransport(SIPDNSManager.ResolveSIPService, new SIPTransactionEngine());
int port = FreePort.FindNextAvailableUDPPort(SIPConstants.DEFAULT_SIP_PORT + 2);
var sipChannel = new SIPUDPChannel(new IPEndPoint(defaultAddr, port));
sipTransport.AddSIPChannel(sipChannel);
// Initialise an RTP session to receive the RTP packets from the remote SIP server.
Socket rtpSocket = null;
Socket controlSocket = null;
NetServices.CreateRtpSocket(defaultAddr, 49000, 49100, false, out rtpSocket, out controlSocket);
var rtpSendSession = new RTPSession((int)RTPPayloadTypesEnum.PCMU, null, null);
// Create a client user agent to place a call to a remote SIP server along with event handlers for the different stages of the call.
var uac = new SIPClientUserAgent(sipTransport);
uac.CallTrying += (uac, resp) => SIPSorcery.Sys.Log.Logger.LogInformation($"{uac.CallDescriptor.To} Trying: {resp.StatusCode} {resp.ReasonPhrase}.");
uac.CallRinging += (uac, resp) => SIPSorcery.Sys.Log.Logger.LogInformation($"{uac.CallDescriptor.To} Ringing: {resp.StatusCode} {resp.ReasonPhrase}.");
uac.CallFailed += (uac, err) =>
{
SIPSorcery.Sys.Log.Logger.LogWarning($"{uac.CallDescriptor.To} Failed: {err}");
hasCallFailed = true;
};
uac.CallAnswered += (uac, resp) =>
{
if (resp.Status == SIPResponseStatusCodesEnum.Ok)
{
SIPSorcery.Sys.Log.Logger.LogInformation($"{uac.CallDescriptor.To} Answered: {resp.StatusCode} {resp.ReasonPhrase}.");
IPEndPoint remoteRtpEndPoint = SDP.GetSDPRTPEndPoint(resp.Body);
SIPSorcery.Sys.Log.Logger.LogDebug($"Sending initial RTP packet to remote RTP socket {remoteRtpEndPoint}.");
// Send a dummy packet to open the NAT session on the RTP path.
rtpSendSession.SendAudioFrame(rtpSocket, remoteRtpEndPoint, 0, new byte[] { 0x00 });
}
else
{
SIPSorcery.Sys.Log.Logger.LogWarning($"{uac.CallDescriptor.To} Answered: {resp.StatusCode} {resp.ReasonPhrase}.");
}
};
// The only incoming request that needs to be explicitly handled for this example is if the remote end hangs up the call.
sipTransport.SIPTransportRequestReceived += (SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPRequest sipRequest) =>
{
if (sipRequest.Method == SIPMethodsEnum.BYE)
{
SIPNonInviteTransaction byeTransaction = sipTransport.CreateNonInviteTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, null);
SIPResponse byeResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.Ok, null);
byeTransaction.SendFinalResponse(byeResponse);
if (uac.IsUACAnswered)
{
SIPSorcery.Sys.Log.Logger.LogInformation("Call was hungup by remote server.");
isCallHungup = true;
cts.Cancel();
}
}
};
// It's a good idea to start the RTP receiving socket before the call request is sent.
// A SIP server will generally start sending RTP as soon as it has processed the incoming call request and
// being ready to receive will stop any ICMP error response being generated.
Task.Run(() => SendRecvRtp(rtpSocket, rtpSendSession, cts));
// Start the thread that places the call.
SIPCallDescriptor callDescriptor = new SIPCallDescriptor(
SIPConstants.SIP_DEFAULT_USERNAME,
null,
DESTINATION_SIP_URI,
SIPConstants.SIP_DEFAULT_FROMURI,
null, null, null, null,
SIPCallDirection.Out,
SDP.SDP_MIME_CONTENTTYPE,
GetSDP(rtpSocket.LocalEndPoint as IPEndPoint).ToString(),
null);
uac.Call(callDescriptor);
// At this point the call has been initiated and everything will be handled in an event handler or on the RTP
// receive task. The code below is to gracefully exit.
// Ctrl-c will gracefully exit the call at any point.
Console.CancelKeyPress += async delegate(object sender, ConsoleCancelEventArgs e)
{
e.Cancel = true;
cts.Cancel();
SIPSorcery.Sys.Log.Logger.LogInformation("Exiting...");
rtpSocket?.Close();
controlSocket?.Close();
if (!isCallHungup && uac != null)
{
if (uac.IsUACAnswered)
{
SIPSorcery.Sys.Log.Logger.LogInformation($"Hanging up call to {uac.CallDescriptor.To}.");
uac.Hangup();
}
else if (!hasCallFailed)
{
SIPSorcery.Sys.Log.Logger.LogInformation($"Cancelling call to {uac.CallDescriptor.To}.");
uac.Cancel();
}
// Give the BYE or CANCEL request time to be transmitted.
SIPSorcery.Sys.Log.Logger.LogInformation("Waiting 1s for call to clean up...");
await Task.Delay(1000);
}
SIPSorcery.Net.DNSManager.Stop();
if (sipTransport != null)
{
SIPSorcery.Sys.Log.Logger.LogInformation("Shutting down SIP transport...");
sipTransport.Shutdown();
}
};
}
