public void CreateTransactionUnitTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
string sipRequestStr =
"INVITE sip:[email protected];switchtag=902888 SIP/2.0" + m_CRLF +
"Record-Route: <sip:2.3.4.5;ftag=9307C640-33C;lr=on>" + m_CRLF +
"Via: SIP/2.0/UDP 5.6.7.2:5060" + m_CRLF +
"Via: SIP/2.0/UDP 1.2.3.4;branch=z9hG4bKa7ac.2bfad091.0" + m_CRLF +
"From: \"unknown\" <sip:00.000.00.0>;tag=9307C640-33C" + m_CRLF +
"To: <sip:[email protected]>" + m_CRLF +
"Date: Thu, 21 Feb 2008 01:46:30 GMT" + m_CRLF +
"Call-ID: A8706191-DF5511DC-B886ED7B-395C3F7E" + m_CRLF +
"Supported: timer,100rel" + m_CRLF +
"Min-SE: 1800" + m_CRLF +
"Cisco-Guid: 2825897321-3746894300-3095653755-962346878" + m_CRLF +
"User-Agent: Cisco-SIPGateway/IOS-12.x" + m_CRLF +
"Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER, SUBSCRIBE, NOTIFY, INFO" + m_CRLF +
"CSeq: 101 INVITE" + m_CRLF +
"Max-Forwards: 5" + m_CRLF +
"Timestamp: 1203558390" + m_CRLF +
"Contact: <sip:1.2.3.4:5060>" + m_CRLF +
"Expires: 180" + m_CRLF +
"Allow-Events: telephone-event" + m_CRLF +
"Content-Type: application/sdp" + m_CRLF +
"Content-Length: 370" + m_CRLF +
m_CRLF +
"v=0" + m_CRLF +
"o=CiscoSystemsSIP-GW-UserAgent 9312 7567 IN IP4 00.00.00.0" + m_CRLF +
"s=SIP Call" + m_CRLF +
"c=IN IP4 00.000.00.0" + m_CRLF +
"t=0 0" + m_CRLF +
"m=audio 16434 RTP/AVP 8 0 4 18 3 101" + m_CRLF +
"c=IN IP4 00.000.00.0" + m_CRLF +
"a=rtpmap:8 PCMA/8000" + m_CRLF +
"a=rtpmap:0 PCMU/8000" + m_CRLF +
"a=rtpmap:4 G723/8000" + m_CRLF +
"a=fmtp:4 annexa=no" + m_CRLF +
"a=rtpmap:18 G729/8000" + m_CRLF +
"a=fmtp:18 annexb=no" + m_CRLF +
"a=rtpmap:3 GSM/8000" + m_CRLF +
"a=rtpmap:101 telepho";
SIPRequest request = SIPRequest.ParseSIPRequest(sipRequestStr);
SIPTransport sipTransport = new SIPTransport();
SIPTransactionEngine transactionEngine = sipTransport.m_transactionEngine;
SIPEndPoint dummySIPEndPoint = new SIPEndPoint(new IPEndPoint(IPAddress.Loopback, 1234));
SIPTransaction transaction = new UACInviteTransaction(sipTransport, request, null);
Assert.True(transaction.TransactionRequest.URI.ToString() == "sip:[email protected];switchtag=902888", "Transaction request URI was incorrect.");
}
public async Task BlindTransferUnitTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPTransport transport = new SIPTransport();
transport.AddSIPChannel(new MockSIPChannel(new System.Net.IPEndPoint(IPAddress.Any, 0)));
SIPUserAgent userAgent = new SIPUserAgent(transport, null);
string inviteReqStr = "INVITE sip:192.168.11.50:5060 SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 192.168.11.50:60163;rport;branch=z9hG4bKPj869f70960bdd4204b1352eaf242a3691" + m_CRLF +
"To: <sip:[email protected]>;tag=ZUJSXRRGXQ" + m_CRLF +
"From: <sip:[email protected]>;tag=4a60ce364b774258873ff199e5e39938" + m_CRLF +
"Call-ID: 17324d6df8744d978008c8997bfd208d" + m_CRLF +
"CSeq: 3532 INVITE" + m_CRLF +
"Contact: <sip:[email protected]:60163;ob>" + m_CRLF +
"Max-Forwards: 70" + m_CRLF +
"User-Agent: MicroSIP/3.19.22" + m_CRLF +
"Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS" + m_CRLF +
"Supported: replaces, 100rel, timer, norefersub" + m_CRLF +
"Content-Length: 343" + m_CRLF +
"Content-Type: application/sdp" + m_CRLF +
"Session-Expires: 1800" + m_CRLF +
"Min-SE: 90" + m_CRLF +
"" + m_CRLF +
"v=0" + m_CRLF +
"o=- 3785527268 3785527269 IN IP4 192.168.11.50" + m_CRLF +
"s=pjmedia" + m_CRLF +
"t=0 0" + m_CRLF +
"m=audio 4032 RTP/AVP 0 101" + m_CRLF +
"c=IN IP4 192.168.11.50" + m_CRLF +
"a=rtpmap:0 PCMU/8000" + m_CRLF +
"a=rtpmap:101 telephone-event/8000" + m_CRLF +
"a=fmtp:101 0-16" + m_CRLF +
"a=sendrecv";
SIPEndPoint dummySipEndPoint = new SIPEndPoint(new IPEndPoint(IPAddress.Any, 0));
SIPMessageBuffer sipMessageBuffer = SIPMessageBuffer.ParseSIPMessage(inviteReqStr, dummySipEndPoint, dummySipEndPoint);
SIPRequest inviteReq = SIPRequest.ParseSIPRequest(sipMessageBuffer);
UASInviteTransaction uasTx = new UASInviteTransaction(transport, inviteReq, null);
SIPServerUserAgent mockUas = new SIPServerUserAgent(transport, null, null, null, SIPCallDirection.In, null, null, null, uasTx);
await userAgent.Answer(mockUas, CreateMediaSession());
CancellationTokenSource cts = new CancellationTokenSource();
bool result = await userAgent.BlindTransfer(SIPURI.ParseSIPURIRelaxed("127.0.0.1"), TimeSpan.FromSeconds(2), cts.Token);
Assert.False(result);
}
public void TestMethod1()
{
Console.WriteLine("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
string sipMsg =
@"INVITE sip:[email protected];unknownparam SIP/2.0
TO :
sip:[email protected] ; tag = 1918181833n
from : ""J Rosenberg \\\"""" <sip:[email protected]>
;
tag = 98asjd8
MaX-fOrWaRdS: 0068
Call-ID: [email protected]
Content-Length : 150
cseq: 0009
INVITE
Via : SIP / 2.0
/UDP
192.0.2.2;branch=390skdjuw
s :
NewFangledHeader: newfangled value
continued newfangled value
UnknownHeaderWithUnusualValue: ;;,,;;,;
Content-Type: application/sdp
Route:
<sip:services.example.com;lr;unknownwith=value;unknown-no-value>
v: SIP / 2.0 / TCP spindle.example.com ;
branch = z9hG4bK9ikj8 ,
SIP / 2.0 / UDP 192.168.255.111 ; branch=
z9hG4bK30239
m:""Quoted string \""\"""" <sip:[email protected]> ; newparam =
newvalue ;
secondparam ; q = 0.33
v=0
o=mhandley 29739 7272939 IN IP4 192.0.2.3
s=-
c=IN IP4 192.0.2.4
t=0 0
m=audio 49217 RTP/AVP 0 12
m=video 3227 RTP/AVP 31
a=rtpmap:31 LPC";
SIPMessage sipMessage = SIPMessage.ParseSIPMessage(Encoding.UTF8.GetBytes(sipMsg), null, null);
SIPRequest inviteReq = SIPRequest.ParseSIPRequest(sipMessage);
Console.WriteLine(inviteReq.ToString());
Console.WriteLine("-----------------------------------------");
}
public void AckRecognitionIIUnitTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPTransport sipTransport = new SIPTransport();
SIPTransactionEngine engine = sipTransport.m_transactionEngine; // Client side of the INVITE.
string inviteRequestStr =
"INVITE sip:[email protected] SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 192.168.1.2:5065;rport;branch=z9hG4bKFBB7EAC06934405182D13950BD51F001" + m_CRLF +
"From: SER Test X <sip:[email protected]:5065>;tag=196468136" + m_CRLF +
"To: <sip:[email protected]>" + m_CRLF +
"Contact: <sip:[email protected]:5065>" + m_CRLF +
"Call-ID: [email protected]" + m_CRLF +
"CSeq: 49429 INVITE" + m_CRLF +
"Max-Forwards: 70" + m_CRLF +
"Content-Type: application/sdp" + m_CRLF +
"User-Agent: Dummy" + m_CRLF +
m_CRLF;
SIPRequest inviteRequest = SIPRequest.ParseSIPRequest(inviteRequestStr);
// Server has received the invite.
SIPEndPoint dummySIPEndPoint = new SIPEndPoint(new IPEndPoint(IPAddress.Loopback, 1234));
UASInviteTransaction serverTransaction = new UASInviteTransaction(sipTransport, inviteRequest, null, true);
engine.AddTransaction(serverTransaction);
string ackRequestStr =
"ACK sip:[email protected] SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 192.168.1.2:5065;rport;branch=z9hG4bKFBB7EAC06934405182D13950BD51F001" + m_CRLF +
"From: SER Test X <sip:[email protected]:5065>;tag=196468136" + m_CRLF +
"To: <sip:[email protected]>" + m_CRLF +
"Contact: <sip:[email protected]:5065>" + m_CRLF +
"Call-ID: [email protected]" + m_CRLF +
"CSeq: 49429 ACK" + m_CRLF +
"Max-Forwards: 70" + m_CRLF +
"User-Agent: Dummy" + m_CRLF +
m_CRLF;
SIPRequest ackRequest = SIPRequest.ParseSIPRequest(ackRequestStr);
SIPTransaction matchingTransaction = engine.GetTransaction(ackRequest);
Assert.True(matchingTransaction.TransactionId == serverTransaction.TransactionId, "ACK transaction did not match INVITE transaction.");
}
public async Task HandleInvalidSdpPortOnAnswerUnitTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPTransport transport = new SIPTransport();
SIPUserAgent userAgent = new SIPUserAgent(transport, null);
string inviteReqStr = @"INVITE sip:[email protected] SIP/2.0
Via: SIP/2.0/UDP 0.0.0.0;branch=z9hG4bK57441c4980b94e1686a06ae080be2935;rport
To: <sip:[email protected]>
From: <sip:0.0.0.0:0>;tag=MYILIYPHQD
Call-ID: ddf0e5a9687b4745925438da9000445d
CSeq: 1 INVITE
Max-Forwards: 70
Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, PRACK, REFER, REGISTER, SUBSCRIBE
Content-Length: 0
v=0
o=- 1838015445 0 IN IP4 127.0.0.1
s=-
c=IN IP4 127.0.0.1
t=0 0
m=audio 79762 RTP/AVP 0
a=rtpmap:0 PCMU/8000
a=sendrecv";
SIPEndPoint dummySipEndPoint = new SIPEndPoint(new IPEndPoint(IPAddress.Any, 0));
SIPMessageBuffer sipMessageBuffer = SIPMessageBuffer.ParseSIPMessage(inviteReqStr, dummySipEndPoint, dummySipEndPoint);
SIPRequest inviteReq = SIPRequest.ParseSIPRequest(sipMessageBuffer);
var uas = userAgent.AcceptCall(inviteReq);
RTPSession rtpSession = new RTPSession(false, false, false);
MediaStreamTrack audioTrack = new MediaStreamTrack(SDPMediaTypesEnum.audio, false, new List <SDPMediaFormat> {
new SDPMediaFormat(SDPMediaFormatsEnum.PCMU)
});
rtpSession.addTrack(audioTrack);
var result = await userAgent.Answer(uas, rtpSession);
Assert.False(result);
rtpSession.Close("normal");
}
public void AckRecognitionIIUnitTest()
{
SIPTransactionEngine engine = new SIPTransactionEngine(); // Client side of the INVITE.
string inviteRequestStr =
"INVITE sip:[email protected] SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 192.168.1.2:5065;rport;branch=z9hG4bKFBB7EAC06934405182D13950BD51F001" + m_CRLF +
"From: SER Test X <sip:[email protected]:5065>;tag=196468136" + m_CRLF +
"To: <sip:[email protected]>" + m_CRLF +
"Contact: <sip:[email protected]:5065>" + m_CRLF +
"Call-ID: [email protected]" + m_CRLF +
"CSeq: 49429 INVITE" + m_CRLF +
"Max-Forwards: 70" + m_CRLF +
"Content-Type: application/sdp" + m_CRLF +
"User-Agent: Dummy" + m_CRLF +
m_CRLF;
SIPRequest inviteRequest = SIPRequest.ParseSIPRequest(inviteRequestStr);
// Server has received the invite.
SIPEndPoint dummySIPEndPoint = new SIPEndPoint(new IPEndPoint(IPAddress.Loopback, 1234));
UASInviteTransaction serverTransaction = new UASInviteTransaction(new SIPTransport(MockSIPDNSManager.Resolve, null), inviteRequest, dummySIPEndPoint, dummySIPEndPoint, null);
engine.AddTransaction(serverTransaction);
//SIPResponse errorResponse = SIPTransport.GetResponse(inviteRequest.Header, SIPResponseStatusCodesEnum.Decline, "Unit Test", null, null);
string ackRequestStr =
"ACK sip:[email protected] SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 192.168.1.2:5065;rport;branch=z9hG4bKFBB7EAC06934405182D13950BD51F001" + m_CRLF +
"From: SER Test X <sip:[email protected]:5065>;tag=196468136" + m_CRLF +
"To: <sip:[email protected]>" + m_CRLF +
"Contact: <sip:[email protected]:5065>" + m_CRLF +
"Call-ID: [email protected]" + m_CRLF +
"CSeq: 49429 ACK" + m_CRLF +
"Max-Forwards: 70" + m_CRLF +
"User-Agent: Dummy" + m_CRLF +
m_CRLF;
SIPRequest ackRequest = SIPRequest.ParseSIPRequest(ackRequestStr);
SIPTransaction matchingTransaction = engine.GetTransaction(ackRequest);
Assert.IsTrue(matchingTransaction.TransactionId == serverTransaction.TransactionId, "ACK transaction did not match INVITE transaction.");
}
public void RFC5118_4_7()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
string sipMsg =
"BYE sip:[email protected] SIP/2.0" + CRLF +
"Via: SIP/2.0/UDP [2001:db8::9:1]:6050;branch=z9hG4bKas3-111" + CRLF +
"Via: SIP/2.0/UDP 192.0.2.1;branch=z9hG4bKjhja8781hjuaij65144" + CRLF +
"Via: SIP/2.0/TCP [2001:db8::9:255];branch=z9hG4bK451jj;received=192.0.2.200" + CRLF +
"Call-ID: 997077@lau_4100" + CRLF +
"Max-Forwards: 70" + CRLF +
"CSeq: 89187 BYE" + CRLF +
"To: sip:[email protected];tag=9817--94" + CRLF +
"From: sip:[email protected];tag=81x2" + CRLF +
"Content-Length: 0";
SIPMessageBuffer sipMessageBuffer = SIPMessageBuffer.ParseSIPMessage(Encoding.UTF8.GetBytes(sipMsg), null, null);
Assert.True(sipMessageBuffer != null, "The SIP message not parsed correctly.");
SIPRequest sipRequest = SIPRequest.ParseSIPRequest(sipMessageBuffer);
Assert.Equal(SIPMethodsEnum.BYE, sipRequest.Method);
IPAddress ip6, ip4;
Assert.NotEmpty(sipRequest.Header.Vias.Via);
Assert.True(sipRequest.Header.Vias.Length == 3);
Assert.True(IPAddress.TryParse(sipRequest.Header.Vias.TopViaHeader.ReceivedFromAddress, out ip6));
Assert.Equal(AddressFamily.InterNetworkV6, ip6.AddressFamily);
Assert.Equal(SIPProtocolsEnum.udp, sipRequest.Header.Vias.TopViaHeader.Transport);
Assert.Equal(6050, sipRequest.Header.Vias.TopViaHeader.Port);
Assert.True(IPAddress.TryParse(sipRequest.Header.Vias.BottomViaHeader.Host, out ip6));
Assert.Equal(AddressFamily.InterNetworkV6, ip6.AddressFamily);
Assert.True(IPAddress.TryParse(sipRequest.Header.Vias.BottomViaHeader.ReceivedFromIPAddress, out ip4));
Assert.Equal(AddressFamily.InterNetwork, ip4.AddressFamily);
Assert.Equal(SIPProtocolsEnum.tcp, sipRequest.Header.Vias.BottomViaHeader.Transport);
sipRequest.Header.Vias.PopTopViaHeader();
Assert.True(IPAddress.TryParse(sipRequest.Header.Vias.TopViaHeader.ReceivedFromAddress, out ip4));
Assert.Equal(AddressFamily.InterNetwork, ip4.AddressFamily);
Assert.Equal(SIPProtocolsEnum.udp, sipRequest.Header.Vias.TopViaHeader.Transport);
Assert.False(IPAddress.TryParse(sipRequest.URI.HostAddress, out ip6));
logger.LogDebug("-----------------------------------------");
}
public void ShortTorturousInvite()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
Assert.True(File.Exists("wsinv.dat"), "The wsinv.dat torture test input file was missing.");
string raw = File.ReadAllText("wsinv.dat");
logger.LogDebug(raw);
SIPMessageBuffer sipMessageBuffer = SIPMessageBuffer.ParseSIPMessage(Encoding.UTF8.GetBytes(raw), null, null);
SIPRequest inviteReq = SIPRequest.ParseSIPRequest(raw);
Assert.NotNull(sipMessageBuffer);
Assert.NotNull(inviteReq);
logger.LogDebug("-----------------------------------------");
}
public async Task TestSetRequestCustomHeaderFuncUnitTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPEndPoint dummyEP = new SIPEndPoint(new IPEndPoint(IPAddress.Any, 5060));
string inviteReqStr =
@"INVITE sip:[email protected]:12014 SIP/2.0
Via: SIP/2.0/UDP 127.0.0.1:1234;branch=z9hG4bK5f37455955ca433a902f8fea0ce2dc27
To: <sip:[email protected]:12014>
From: <sip:[email protected]>;tag=2062917371
Call-ID: 8ae45c15425040179a4285d774ccbaf6
CSeq: 1 INVITE
Contact: <sip:127.0.0.1:1234>
Max-Forwards: 70
User-Agent: unittest
Content-Length: 5
Content-Type: application/sdp
dummy";
var sipReqBuffer = SIPMessageBuffer.ParseSIPMessage(inviteReqStr, dummyEP, dummyEP);
SIPRequest inviteReq = SIPRequest.ParseSIPRequest(sipReqBuffer);
using (var transport = new SIPTransport())
{
transport.AddSIPChannel(new MockSIPChannel(dummyEP.GetIPEndPoint()));
string contactHost = "devcall.sipsorcery.com";
transport.CustomiseRequestHeader = (local, dst, req) =>
{
var hdr = req.Header.Copy();
hdr.Contact[0].ContactURI.Host = contactHost;
return(hdr);
};
await transport.SendRequestAsync(inviteReq);
logger.LogDebug(inviteReq.ToString());
Assert.Equal(contactHost, inviteReq.Header.Contact[0].ContactURI.Host);
}
}
public void RFC5118_4_3()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
string sipMsg =
"REGISTER sip:[2001:db8::10:5070] SIP/2.0" + CRLF +
"To: sip:[email protected]" + CRLF +
"From: sip:[email protected];tag=81x2" + CRLF +
"Via: SIP/2.0/UDP [2001:db8::9:1];branch=z9hG4bKas3-111" + CRLF +
"Call-ID: SSG9559905523997077@hlau_4100" + CRLF +
"Contact: \"Caller\" <sip:caller@[2001:db8::1]>" + CRLF +
"Max-Forwards: 70" + CRLF +
"CSeq: 98176 REGISTER" + CRLF +
"Content-Length: 0";
//parsing is correct, but port is ambiguous,
//intention was to target port 5070
//but that's nothing a program can find out
SIPMessageBuffer sipMessageBuffer = SIPMessageBuffer.ParseSIPMessage(Encoding.UTF8.GetBytes(sipMsg), null, null);
Assert.True(sipMessageBuffer != null, "The SIP message not parsed correctly.");
SIPRequest sipRequest = SIPRequest.ParseSIPRequest(sipMessageBuffer);
Assert.Equal(SIPMethodsEnum.REGISTER, sipRequest.Method);
IPAddress ip6;
Assert.NotEmpty(sipRequest.Header.Vias.Via);
Assert.True(IPAddress.TryParse(sipRequest.Header.Vias.TopViaHeader.ReceivedFromAddress, out ip6));
Assert.Equal(AddressFamily.InterNetworkV6, ip6.AddressFamily);
Assert.NotEmpty(sipRequest.Header.Contact);
Assert.True(IPAddress.TryParse(sipRequest.Header.Contact[0].ContactURI.HostAddress, out ip6));
Assert.Equal(AddressFamily.InterNetworkV6, ip6.AddressFamily);
Assert.True(IPAddress.TryParse(sipRequest.URI.HostAddress, out ip6));
Assert.Equal(AddressFamily.InterNetworkV6, ip6.AddressFamily);
logger.LogDebug("-----------------------------------------");
}
public void RFC5118_4_2()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
string sipMsg =
"REGISTER sip:2001:db8::10 SIP/2.0" + CRLF +
"To: sip:[email protected]" + CRLF +
"From: sip:[email protected];tag=81x2" + CRLF +
"Via: SIP/2.0/UDP [2001:db8::9:1];branch=z9hG4bKas3-111" + CRLF +
"Call-ID: SSG9559905523997077@hlau_4100" + CRLF +
"Max-Forwards: 70" + CRLF +
"Contact: \"Caller\" <sip:caller@[2001:db8::1]>" + CRLF +
"CSeq: 98176 REGISTER" + CRLF +
"Content-Length: 0";
SIPMessageBuffer sipMessageBuffer = SIPMessageBuffer.ParseSIPMessage(Encoding.UTF8.GetBytes(sipMsg), null, null);
Assert.True(sipMessageBuffer != null, "The SIP message not parsed correctly.");
Assert.Throws <SIPValidationException>(() => SIPRequest.ParseSIPRequest(sipMessageBuffer));
logger.LogDebug("-----------------------------------------");
}
public void ParseRAckHeaderTest()
{
Console.WriteLine("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
string prackRequest =
"PRACK sip:127.0.0.1 SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 0.0.0.0:6060;branch=z9hG4bKed0553cb6e4b476990a34d7c98f58a14;rport" + m_CRLF +
"To: <sip:127.0.0.1>" + m_CRLF +
"From: <sip:[email protected]>;tag=YPACUCOFBG" + m_CRLF +
"Call-ID: c22e9dc218a1423695b1f5ef33020b84" + m_CRLF +
"CSeq: 1 ACK" + m_CRLF +
"Max-Forwards: 70" + m_CRLF +
"Content-Length: 0" + m_CRLF +
"RAck: 423501656 1 INVITE" + m_CRLF + m_CRLF;
var sipRequest = SIPRequest.ParseSIPRequest(prackRequest);
Assert.AreEqual(423501656, sipRequest.Header.RAckRSeq, "The RAck sequence header value was not parsed correctly.");
Assert.AreEqual(1, sipRequest.Header.RAckCSeq, "The RAck cseq header value was not parsed correctly.");
Assert.AreEqual(SIPMethodsEnum.INVITE, sipRequest.Header.RAckCSeqMethod, "The RAck method header value was not parsed correctly.");
Console.WriteLine("---------------------------------------------------");
}
public void RFC5118_4_5_2()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
string sipMsg =
"OPTIONS sip:[2001:db8::10] SIP/2.0" + CRLF +
"To: sip:user @example.com" + CRLF +
"From: sip:user @example.com; tag=81x2" + CRLF +
"Via: SIP/2.0/UDP [2001:db8::9:1];received=2001:db8::9:255;branch=z9hG4bKas3" + CRLF +
"Call-ID: SSG95523997077 @hlau_4100" + CRLF +
"Max-Forwards: 70" + CRLF +
"Contact: \"Caller\" <sip:caller@[2001:db8::9:1]>" + CRLF +
"CSeq: 921 OPTIONS" + CRLF +
"Content-Length: 0";
SIPMessageBuffer sipMessageBuffer = SIPMessageBuffer.ParseSIPMessage(Encoding.UTF8.GetBytes(sipMsg), null, null);
Assert.True(sipMessageBuffer != null, "The SIP message not parsed correctly.");
SIPRequest sipRequest = SIPRequest.ParseSIPRequest(sipMessageBuffer);
Assert.Equal(SIPMethodsEnum.OPTIONS, sipRequest.Method);
IPAddress ip6;
Assert.NotEmpty(sipRequest.Header.Vias.Via);
Assert.True(IPAddress.TryParse(sipRequest.Header.Vias.TopViaHeader.ReceivedFromAddress, out ip6));
Assert.Equal(AddressFamily.InterNetworkV6, ip6.AddressFamily);
Assert.True(IPAddress.TryParse(sipRequest.Header.Vias.TopViaHeader.ReceivedFromIPAddress, out ip6));
Assert.Equal(AddressFamily.InterNetworkV6, ip6.AddressFamily);
Assert.NotEmpty(sipRequest.Header.Contact);
Assert.True(IPAddress.TryParse(sipRequest.Header.Contact[0].ContactURI.HostAddress, out ip6));
Assert.Equal(AddressFamily.InterNetworkV6, ip6.AddressFamily);
Assert.True(IPAddress.TryParse(sipRequest.URI.HostAddress, out ip6));
Assert.Equal(AddressFamily.InterNetworkV6, ip6.AddressFamily);
logger.LogDebug("-----------------------------------------");
}
public void MatchOnRequestAndResponseTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPTransport sipTransport = new SIPTransport();
SIPTransactionEngine transactionEngine = sipTransport.m_transactionEngine;
SIPRequest inviteRequest = SIPRequest.ParseSIPRequest("INVITE sip:[email protected]:12014 SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 127.0.0.1:1234;branch=z9hG4bK5f37455955ca433a902f8fea0ce2dc27" + m_CRLF +
"To: <sip:[email protected]:12014>" + m_CRLF +
"From: <sip:[email protected]>;tag=2062917371" + m_CRLF +
"Call-ID: 8ae45c15425040179a4285d774ccbaf6" + m_CRLF +
"CSeq: 1 INVITE" + m_CRLF +
"Contact: <sip:127.0.0.1:1234>" + m_CRLF +
"Max-Forwards: 70" + m_CRLF +
"User-Agent: unittest" + m_CRLF +
"Content-Length: 5" + m_CRLF +
"Content-Type: application/sdp" + m_CRLF +
m_CRLF +
"dummy");
SIPTransaction tx = new UACInviteTransaction(sipTransport, inviteRequest, null);
transactionEngine.AddTransaction(tx);
SIPResponse sipResponse = SIPResponse.ParseSIPResponse("SIP/2.0 603 Nothing listening" + m_CRLF +
"Via: SIP/2.0/UDP 127.0.0.1:1234;branch=z9hG4bK5f37455955ca433a902f8fea0ce2dc27;rport=12013" + m_CRLF +
"To: <sip:[email protected]:12014>" + m_CRLF +
"From: <sip:[email protected]>;tag=2062917371" + m_CRLF +
"Call-ID: 8ae45c15425040179a4285d774ccbaf6" + m_CRLF +
"CSeq: 1 INVITE" + m_CRLF +
"Content-Length: 0" + m_CRLF +
m_CRLF);
Assert.True(transactionEngine.GetTransaction(sipResponse) != null, "Transaction should have matched, check the hashing mechanism.");
}
public async Task AnswerAudioOnlyUnitTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPTransport transport = new SIPTransport();
SIPUserAgent userAgent = new SIPUserAgent(transport, null);
string inviteReqStr = @"INVITE sip:[email protected] SIP/2.0
Via: SIP/2.0/UDP 0.0.0.0;branch=z9hG4bK57441c4980b94e1686a06ae080be2935;rport
To: <sip:[email protected]>
From: <sip:0.0.0.0:0>;tag=MYILIYPHQD
Call-ID: ddf0e5a9687b4745925438da9000445d
CSeq: 1 INVITE
Max-Forwards: 70
Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, PRACK, REFER, REGISTER, SUBSCRIBE
Content-Length: 0
v=0
o=- 1838015445 0 IN IP4 127.0.0.1
s=-
c=IN IP4 127.0.0.1
t=0 0
m=audio 19762 RTP/AVP 0
a=rtpmap:0 PCMU/8000
a=sendrecv";
SIPEndPoint dummySipEndPoint = new SIPEndPoint(new IPEndPoint(IPAddress.Any, 0));
SIPMessageBuffer sipMessageBuffer = SIPMessageBuffer.ParseSIPMessage(inviteReqStr, dummySipEndPoint, dummySipEndPoint);
SIPRequest inviteReq = SIPRequest.ParseSIPRequest(sipMessageBuffer);
var uas = userAgent.AcceptCall(inviteReq);
var result = await userAgent.Answer(uas, CreateMediaSession());
Assert.True(result);
}
public async Task IncomingCallNoSdpUnitTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPTransport transport = new SIPTransport();
transport.AddSIPChannel(new MockSIPChannel(new System.Net.IPEndPoint(IPAddress.Any, 0)));
SIPUserAgent userAgent = new SIPUserAgent(transport, null);
string inviteReqStr = "INVITE sip:192.168.11.50:5060 SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 192.168.11.50:60163;rport;branch=z9hG4bKPj869f70960bdd4204b1352eaf242a3691" + m_CRLF +
"To: <sip:[email protected]>;tag=ZUJSXRRGXQ" + m_CRLF +
"From: <sip:[email protected]>;tag=4a60ce364b774258873ff199e5e39938" + m_CRLF +
"Call-ID: 17324d6df8744d978008c8997bfd208d" + m_CRLF +
"CSeq: 3532 INVITE" + m_CRLF +
"Contact: <sip:[email protected]:60163;ob>" + m_CRLF +
"Max-Forwards: 70" + m_CRLF +
"Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS" + m_CRLF +
"Supported: replaces, 100rel, timer, norefersub" + m_CRLF +
"Content-Length: 0" + m_CRLF +
"Content-Type: application/sdp" + m_CRLF +
"Session-Expires: 1800" + m_CRLF + m_CRLF;
SIPEndPoint dummySipEndPoint = new SIPEndPoint(new IPEndPoint(IPAddress.Loopback, 0));
SIPMessageBuffer sipMessageBuffer = SIPMessageBuffer.ParseSIPMessage(inviteReqStr, dummySipEndPoint, dummySipEndPoint);
SIPRequest inviteReq = SIPRequest.ParseSIPRequest(sipMessageBuffer);
var uas = userAgent.AcceptCall(inviteReq);
var mediaSession = CreateMediaSession();
await userAgent.Answer(uas, mediaSession);
// The call attempt should timeout while waiting for the ACK request with the SDP answer.
Assert.False(userAgent.IsCallActive);
}
public async Task IncomingCallNoSdpWithACKUnitTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPTransport transport = new SIPTransport();
transport.AddSIPChannel(new MockSIPChannel(new System.Net.IPEndPoint(IPAddress.Any, 0)));
var dummySep = SIPEndPoint.ParseSIPEndPoint("udp:127.0.0.1:5060");
SIPUserAgent userAgent = new SIPUserAgent(transport, null);
string inviteReqStr = @"INVITE sip:[email protected] SIP/2.0
Via: SIP/2.0/UDP 127.0.0.1:51200;branch=z9hG4bKbeed9b0cde8d43cc8a2aae91526b6a1d;rport
To: <sip:[email protected]>
From: <sip:[email protected]>;tag=GCLNRILCDU
Call-ID: 7265e19f53a146a1bacdf4f4f8ea70b2
CSeq: 1 INVITE
Contact: <sip:127.0.0.1:51200>
Max-Forwards: 70
User-Agent: www.sipsorcery.com
Content-Length: 0
Content-Type: application/sdp" + m_CRLF + m_CRLF;
SIPEndPoint dummySipEndPoint = new SIPEndPoint(new IPEndPoint(IPAddress.Loopback, 0));
SIPMessageBuffer sipMessageBuffer = SIPMessageBuffer.ParseSIPMessage(inviteReqStr, dummySipEndPoint, dummySipEndPoint);
SIPRequest inviteReq = SIPRequest.ParseSIPRequest(sipMessageBuffer);
var uas = userAgent.AcceptCall(inviteReq);
var mediaSession = CreateMediaSession();
_ = Task.Run(() =>
{
Task.Delay(2000).Wait();
string ackReqStr = @"ACK sip:127.0.0.1:5060 SIP/2.0
Via: SIP/2.0/UDP 127.0.0.1:51200;branch=z9hG4bK76dfb1480ea14f778bd24afed1c8ded0;rport
To: <sip:[email protected]>;tag=YWPNZPMLPB
From: <sip:[email protected]>;tag=GCLNRILCDU
Call-ID: 7265e19f53a146a1bacdf4f4f8ea70b2
CSeq: 1 ACK
Max-Forwards: 70
Content-Length: 160
v=0
o=- 67424 0 IN IP4 127.0.0.1
s=-
c=IN IP4 127.0.0.1
t=0 0
m=audio 16976 RTP/AVP 8 101
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=sendrecv" + m_CRLF + m_CRLF;
uas.ClientTransaction.ACKReceived(dummySep, dummySep, SIPRequest.ParseSIPRequest(ackReqStr));
});
await userAgent.Answer(uas, mediaSession);
Assert.True(userAgent.IsCallActive);
}
public async Task HangupUserAgentUnitTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPTransport transport = new SIPTransport(false, MockSIPDNSManager.Resolve);
MockSIPChannel mockChannel = new MockSIPChannel(new System.Net.IPEndPoint(IPAddress.Any, 0));
transport.AddSIPChannel(mockChannel);
SIPUserAgent userAgent = new SIPUserAgent(transport, null);
string inviteReqStr = "INVITE sip:192.168.11.50:5060 SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 192.168.11.50:60163;rport;branch=z9hG4bKPj869f70960bdd4204b1352eaf242a3691" + m_CRLF +
"To: <sip:[email protected]>;tag=ZUJSXRRGXQ" + m_CRLF +
"From: <sip:[email protected]>;tag=4a60ce364b774258873ff199e5e39938" + m_CRLF +
"Call-ID: 17324d6df8744d978008c8997bfd208d" + m_CRLF +
"CSeq: 3532 INVITE" + m_CRLF +
"Contact: <sip:[email protected]:60163;ob>" + m_CRLF +
"Max-Forwards: 70" + m_CRLF +
"User-Agent: MicroSIP/3.19.22" + m_CRLF +
"Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS" + m_CRLF +
"Supported: replaces, 100rel, timer, norefersub" + m_CRLF +
"Content-Length: 343" + m_CRLF +
"Content-Type: application/sdp" + m_CRLF +
"Session-Expires: 1800" + m_CRLF +
"Min-SE: 90" + m_CRLF +
"" + m_CRLF +
"v=0" + m_CRLF +
"o=- 3785527268 3785527269 IN IP4 192.168.11.50" + m_CRLF +
"s=pjmedia" + m_CRLF +
"t=0 0" + m_CRLF +
"m=audio 4032 RTP/AVP 0 101" + m_CRLF +
"c=IN IP4 192.168.11.50" + m_CRLF +
"a=rtpmap:0 PCMU/8000" + m_CRLF +
"a=rtpmap:101 telephone-event/8000" + m_CRLF +
"a=fmtp:101 0-16" + m_CRLF +
"a=sendrecv";
SIPEndPoint dummySipEndPoint = new SIPEndPoint(new IPEndPoint(IPAddress.Loopback, 0));
SIPMessageBuffer sipMessageBuffer = SIPMessageBuffer.ParseSIPMessage(inviteReqStr, dummySipEndPoint, dummySipEndPoint);
SIPRequest inviteReq = SIPRequest.ParseSIPRequest(sipMessageBuffer);
UASInviteTransaction uasTx = new UASInviteTransaction(transport, inviteReq, null);
SIPServerUserAgent mockUas = new SIPServerUserAgent(transport, null, null, null, SIPCallDirection.In, null, null, null, uasTx);
await userAgent.Answer(mockUas, CreateMediaSession());
// Incremented Cseq and modified Via header from original request. Means the request is the same dialog but different tx.
string inviteReqStr2 = "BYE sip:192.168.11.50:5060 SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 192.168.11.50:60163;rport;branch=z9hG4bKPj869f70960bdd4204b1352eaf242a3700" + m_CRLF +
"To: <sip:[email protected]>;tag=ZUJSXRRGXQ" + m_CRLF +
"From: <sip:[email protected]>;tag=4a60ce364b774258873ff199e5e39938" + m_CRLF +
"Call-ID: 17324d6df8744d978008c8997bfd208d" + m_CRLF +
"CSeq: 3533 BYE" + m_CRLF +
"Contact: <sip:[email protected]:60163;ob>" + m_CRLF +
"Max-Forwards: 70" + m_CRLF +
"User-Agent: MicroSIP/3.19.22" + m_CRLF +
"Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS" + m_CRLF +
"Supported: replaces, 100rel, timer, norefersub" + m_CRLF +
"";
mockChannel.FireMessageReceived(dummySipEndPoint, dummySipEndPoint, Encoding.UTF8.GetBytes(inviteReqStr2));
}
private SIPRequest TryDecodeSipRequest(UdpPacket udpPacket)
{
return(SIPRequest.ParseSIPRequest(Encoding.UTF8.GetString(udpPacket.Data)));
}
public void ParseCryptoSIPMessage()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
string sipMsg =
"INVITE sip:[email protected]:5061;transport=tls SIP/2.0" + CRLF +
"Via: SIP/2.0/TLS 10.2.19.102:58179;rport;branch=z9hG4bKPj9893426a070f4c26ab494ceb746836a6" + CRLF +
"Max-Forwards: 70" + CRLF +
"From: <sip:[email protected]>;tag=b0d60b9dda9043818dea1f0e8ff9667c" + CRLF +
"To: <sip:[email protected]>" + CRLF +
"Contact: <sip:[email protected]:58179;ob>" + CRLF +
"Call-ID: 6410bc5eb6724efd8717831ac2af5c35" + CRLF +
"CSeq: 9941 INVITE" + CRLF +
"Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS" + CRLF +
"Supported: replaces, 100rel, timer, norefersub" + CRLF +
"Session-Expires: 1800" + CRLF +
"Min-SE: 90" + CRLF +
"User-Agent: MicroSIP/3.19.8" + CRLF +
"Content-Type: application/sdp" + CRLF +
"Content-Length: 720" + CRLF +
"" + CRLF +
"v=0" + CRLF +
"o=- 3784977145 3784977145 IN IP4 10.2.19.102" + CRLF +
"s=pjmedia" + CRLF +
"b=AS:84" + CRLF +
"t=0 0" + CRLF +
"a=X-nat:0" + CRLF +
"m=audio 4000 RTP/AVP 8 0 101" + CRLF +
"c=IN IP4 10.2.19.102" + CRLF +
"b=TIAS:64000" + CRLF +
"a=rtcp:4001 IN IP4 10.2.19.102" + CRLF +
"a=sendrecv" + CRLF +
"a=rtpmap:8 PCMA/8000" + CRLF +
"a=rtpmap:0 PCMU/8000" + CRLF +
"a=rtpmap:101 telephone-event/8000" + CRLF +
"a=fmtp:101 0-16" + CRLF +
"a=ssrc:370289018 cname:089912e5446c1847" + CRLF +
"a=crypto:1 AES_256_CM_HMAC_SHA1_80 inline:i/aQZXuTQXF8NcIPG/8ClKLXjzJZiZkFqNerJJaWtX9ShjuamMQgFocXUEkWCQ==" + CRLF +
"a=crypto:2 AES_256_CM_HMAC_SHA1_32 inline:WEXYOzOomH16+KpVRc8RKHkGUEW6DdvYHWSFKePVy9RzC5DB2Ciw+4t9huV8KA==" + CRLF +
"a=crypto:3 AES_CM_128_HMAC_SHA1_80 inline:6wGxadTFLGO9iKPSC8XfRQsOFDRFgJdmpBfdWp9r" + CRLF +
"a=crypto:4 AES_CM_128_HMAC_SHA1_32 inline:SdihJallj5frjwWc5yeXbMZlJSLlS+o2bkH3Jsle"
;
SIPMessageBuffer sipMessageBuffer = SIPMessageBuffer.ParseSIPMessage(Encoding.UTF8.GetBytes(sipMsg), null, null);
Assert.True(sipMessageBuffer != null, "The SIP message not parsed correctly.");
SIPRequest sipRequest = SIPRequest.ParseSIPRequest(sipMessageBuffer);
Assert.Equal(SIPMethodsEnum.INVITE, sipRequest.Method);
Assert.Equal(SIPProtocolsEnum.tls, sipRequest.URI.Protocol);
SDP sdp = SDP.ParseSDPDescription(sipRequest.Body);
Assert.NotNull(sdp);
Assert.Equal("10.2.19.102", sdp.Connection.ConnectionAddress);
Assert.Equal("-", sdp.Username);
Assert.Equal("pjmedia", sdp.SessionName);
Assert.Equal(SDPMediaTypesEnum.audio, sdp.Media[0].Media);
Assert.Equal(MediaStreamStatusEnum.SendRecv, sdp.Media[0].MediaStreamStatus);
Assert.NotEmpty(sdp.Media[0].SecurityDescriptions);
Assert.Equal(SDPSecurityDescription.CryptoSuites.AES_256_CM_HMAC_SHA1_80, sdp.Media[0].SecurityDescriptions[0].CryptoSuite);
Assert.NotEmpty(sdp.Media[0].SecurityDescriptions[0].KeyParams);
Assert.Null(sdp.Media[0].SecurityDescriptions[0].SessionParam);
Assert.Equal(SDPSecurityDescription.CryptoSuites.AES_256_CM_HMAC_SHA1_32, sdp.Media[0].SecurityDescriptions[1].CryptoSuite);
Assert.Equal(2u, sdp.Media[0].SecurityDescriptions[1].Tag);
Assert.Equal(SDPSecurityDescription.CryptoSuites.AES_CM_128_HMAC_SHA1_80, sdp.Media[0].SecurityDescriptions[2].CryptoSuite);
Assert.Equal("6wGxadTFLGO9iKPSC8XfRQsOFDRFgJdmpBfdWp9r", sdp.Media[0].SecurityDescriptions[2].KeyParams[0].KeySaltBase64);
Assert.Equal(SDPSecurityDescription.CryptoSuites.AES_CM_128_HMAC_SHA1_32, sdp.Media[0].SecurityDescriptions[3].CryptoSuite);
Assert.Equal("SdihJallj5frjwWc5yeXbMZlJSLlS+o2bkH3Jsle", sdp.Media[0].SecurityDescriptions[3].KeyParams[0].KeySaltBase64);
}
public void RFC5118_4_8()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
string sipMsg =
"INVITE sip:user@[2001:db8::10] SIP/2.0" + CRLF +
"To: sip:user@[2001:db8::10]" + CRLF +
"From: sip:[email protected];tag=81x2" + CRLF +
"Via: SIP/2.0/UDP [2001:db8::9:1];branch=z9hG4bKas3-111" + CRLF +
"Call-ID: SSG9559905523997077@hlau_4100" + CRLF +
"Contact: \"Caller\" <sip:caller@[2001:db8::9:1]>" + CRLF +
"Max-Forwards: 70" + CRLF +
"CSeq: 8912 INVITE" + CRLF +
"Content-Type: application/sdp" + CRLF +
"Content-Length: 181" + CRLF +
CRLF +
"v=0" + CRLF +
"o=bob 280744730 28977631 IN IP4 host.example.com" + CRLF +
"s=" + CRLF +
"t=0 0" + CRLF +
"m=audio 22334 RTP/AVP 0" + CRLF +
"c=IN IP4 192.0.2.1" + CRLF +
"m=video 6024 RTP/AVP 107" + CRLF +
"c=IN IP6 2001:db8::1" + CRLF +
"a=rtpmap:107 H263-1998/90000";
SIPMessageBuffer sipMessageBuffer = SIPMessageBuffer.ParseSIPMessage(Encoding.UTF8.GetBytes(sipMsg), null, null);
Assert.True(sipMessageBuffer != null, "The SIP message not parsed correctly.");
SIPRequest sipRequest = SIPRequest.ParseSIPRequest(sipMessageBuffer);
Assert.Equal(SIPMethodsEnum.INVITE, sipRequest.Method);
IPAddress ip6, ip4;
Assert.NotEmpty(sipRequest.Header.Vias.Via);
Assert.True(IPAddress.TryParse(sipRequest.Header.Vias.TopViaHeader.ReceivedFromAddress, out ip6));
Assert.Equal(AddressFamily.InterNetworkV6, ip6.AddressFamily);
Assert.NotEmpty(sipRequest.Header.Contact);
Assert.True(IPAddress.TryParse(sipRequest.Header.Contact[0].ContactURI.HostAddress, out ip6));
Assert.Equal(AddressFamily.InterNetworkV6, ip6.AddressFamily);
Assert.True(IPAddress.TryParse(sipRequest.URI.HostAddress, out ip6));
Assert.Equal(AddressFamily.InterNetworkV6, ip6.AddressFamily);
Assert.False(string.IsNullOrWhiteSpace(sipRequest.Body));
SDP sdp = SDP.ParseSDPDescription(sipRequest.Body);
Assert.NotNull(sdp);
Assert.NotNull(sdp.Connection);
Assert.True(IPAddress.TryParse(sdp.Connection.ConnectionAddress, out ip4));
Assert.Equal(AddressFamily.InterNetwork, ip4.AddressFamily);
Assert.NotEmpty(sdp.Media);
Assert.NotNull(sdp.Media[0].Connection);
Assert.True(IPAddress.TryParse(sdp.Media[0].Connection.ConnectionAddress, out ip4));
Assert.Equal(AddressFamily.InterNetwork, ip4.AddressFamily);
Assert.NotNull(sdp.Media[1].Connection);
Assert.True(IPAddress.TryParse(sdp.Media[1].Connection.ConnectionAddress, out ip6));
Assert.Equal(AddressFamily.InterNetworkV6, ip6.AddressFamily);
logger.LogDebug("-----------------------------------------");
}