On 08/13/2015 02:42 PM, Alex Balashov wrote:
> On 08/13/2015 02:34 PM, Fred Posner wrote:
>
>> Sadly, no. Straight up INVITE.
>
> Wait, what? That doesn't make any sense. Can you provide a full
> signalling capture?
>
Here's an example exported from the pcap. This example has topology
hiding enabled with an address of 127.0.0.8.
--fred
Frame 1: 1441 bytes on wire (11528 bits), 1441 bytes captured (11528 bits)
Linux cooked capture
Internet Protocol Version 4, Src: [PUBLIC-KAMAILIO] ([PUBLIC-KAMAILIO]), Dst:
[PUBLIC-MITEL] ([PUBLIC-MITEL])
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Session Initiation Protocol (INVITE)
Request-Line: INVITE sip:pstn-did@[PUBLIC-MITEL] SIP/2.0
Message Header
Record-Route:
<sip:[PUBLIC-KAMAILIO];r2=on;lr;ftag=gK0e4a212a;vst=AAAAABkJAw0IDQ4PAQF2AXIWFwYXGQEWHQc4OjUwNjA-;did=7.a51>
Record-Route:
<sip:127.0.0.8;line=sr-XLSMq0lrx0hrq6lrx0lgX0dzPLkgP9dgTvDWTH2vZH1Se5CmxIuWqyTHF621E-R1E-uaZhRyxCSC-IDEEKR5xhRiZKF5F2SiD2RRKtWDiHD48SKyI.Q1fIwh8sEzemYWeIC*>
Via: SIP/2.0/UDP
[PUBLIC-KAMAILIO];branch=z9hG4bK05ee.871a25f6cea62efc9ab8a36e1198c199.0
Via: SIP/2.0/UDP
127.0.0.8;branch=AX--tSEfHdrxbzKDRJlebk2eZknxmkYqIU2x6iMqyuMPyut4I-Me0JgKClzT5SLqLumisY08627qsW9e5ufx5Kbe5dte0eWe0lmT5Rhq6xyTE**
From: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>;tag=gK0e4a212a
To: <sip:pstn-did@[PUBLIC-MITEL]>
Call-ID: 1309573957_105226997@[PSTN-IPADDRESS]
CSeq: 23665 INVITE
Max-Forwards: 68
Allow: INVITE,ACK,CANCEL,BYE,PRACK,UPDATE
Accept: application/sdp, application/isup, application/dtmf,
application/dtmf-relay, multipart/mixed
Contact:
<sip:127.0.0.8;line=sr-XLSMqGpnx0C2x0hMe6Xnq-Jtf0-2f0CHf0hYq0-Me0J*>
P-Asserted-Identity: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>
Supported: 100rel
Content-Length: 255
Content-Disposition: session; handling=required
Content-Type: application/sdp
Message Body
Frame 2: 534 bytes on wire (4272 bits), 534 bytes captured (4272 bits)
Linux cooked capture
Internet Protocol Version 4, Src: [PUBLIC-MITEL] ([PUBLIC-MITEL]), Dst:
[PUBLIC-KAMAILIO] ([PUBLIC-KAMAILIO])
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Session Initiation Protocol (100)
Status-Line: SIP/2.0 100 Trying
Message Header
Via: SIP/2.0/UDP
[PUBLIC-KAMAILIO];branch=z9hG4bK05ee.871a25f6cea62efc9ab8a36e1198c199.0;received=[PUBLIC-KAMAILIO]
Via: SIP/2.0/UDP
127.0.0.8;branch=AX--tSEfHdrxbzKDRJlebk2eZknxmkYqIU2x6iMqyuMPyut4I-Me0JgKClzT5SLqLumisY08627qsW9e5ufx5Kbe5dte0eWe0lmT5Rhq6xyTE**
To: <sip:pstn-did@[PUBLIC-MITEL]>
From: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>;tag=gK0e4a212a
Call-ID: 1309573957_105226997@[PSTN-IPADDRESS]
CSeq: 23665 INVITE
User-Agent: Mitel Border GW/4.4.0.80-01
Content-Length: 0
Frame 3: 588 bytes on wire (4704 bits), 588 bytes captured (4704 bits)
Linux cooked capture
Internet Protocol Version 4, Src: [PUBLIC-KAMAILIO] ([PUBLIC-KAMAILIO]), Dst:
[PUBLIC-MITEL] ([PUBLIC-MITEL])
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Session Initiation Protocol (PRACK)
Request-Line: PRACK sip:pstn-did@[PUBLIC-MITEL]:5060;transport=UDP SIP/2.0
Message Header
Via: SIP/2.0/UDP
[PUBLIC-KAMAILIO];branch=z9hG4bKd4ee.c8ccffc14692925a5f5b81e3b44b1889.0
Via: SIP/2.0/UDP
127.0.0.8;branch=AX--tSEfHdrxbzKDRJlebk2eZknxmkYqIU2x6iMqyuMPyut4I-Me0JgKClzT5eLqLumisY08627qsW9e5ufx5Kbe5dtq6JMe6-nT0dHT6JtTl**
From: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>;tag=gK0e4a212a
To: <sip:pstn-did@[PUBLIC-MITEL]>;tag=0_1970073968-102972850
Call-ID: 1309573957_105226997@[PSTN-IPADDRESS]
CSeq: 23666 PRACK
Max-Forwards: 69
RAck: 296987492 23665 INVITE
Content-Length: 0
Frame 4: 651 bytes on wire (5208 bits), 651 bytes captured (5208 bits)
Linux cooked capture
Internet Protocol Version 4, Src: [PUBLIC-MITEL] ([PUBLIC-MITEL]), Dst:
[PUBLIC-KAMAILIO] ([PUBLIC-KAMAILIO])
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Session Initiation Protocol (200)
Status-Line: SIP/2.0 200 OK
Message Header
Via: SIP/2.0/UDP
[PUBLIC-KAMAILIO];branch=z9hG4bKd4ee.c8ccffc14692925a5f5b81e3b44b1889.0;received=[PUBLIC-KAMAILIO]
Via: SIP/2.0/UDP
127.0.0.8;branch=AX--tSEfHdrxbzKDRJlebk2eZknxmkYqIU2x6iMqyuMPyut4I-Me0JgKClzT5eLqLumisY08627qsW9e5ufx5Kbe5dtq6JMe6-nT0dHT6JtTl**
Contact: <sip:pstn-did@[PUBLIC-MITEL]:5060;transport=UDP>
To: <sip:pstn-did@[PUBLIC-MITEL]>;tag=0_1970073968-102972850
From: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>;tag=gK0e4a212a
Call-ID: 1309573957_105226997@[PSTN-IPADDRESS]
CSeq: 23666 PRACK
Date: Thu, 13 Aug 2015 00:31:40 GMT
User-Agent: Mitel Border GW/4.4.0.80-01
Content-Length: 0
Frame 5: 216 bytes on wire (1728 bits), 216 bytes captured (1728 bits)
Linux cooked capture
Internet Protocol Version 4, Src: [PUBLIC-MITEL] ([PUBLIC-MITEL]), Dst:
4.55.13.66 (4.55.13.66)
User Datagram Protocol, Src Port: 24838 (24838), Dst Port: 27634 (27634)
Real-Time Transport Protocol
Frame 6: 1371 bytes on wire (10968 bits), 1371 bytes captured (10968 bits)
Linux cooked capture
Internet Protocol Version 4, Src: [PUBLIC-MITEL] ([PUBLIC-MITEL]), Dst:
[PUBLIC-KAMAILIO] ([PUBLIC-KAMAILIO])
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Session Initiation Protocol (200)
Status-Line: SIP/2.0 200 OK
Message Header
Via: SIP/2.0/UDP
[PUBLIC-KAMAILIO];branch=z9hG4bK05ee.871a25f6cea62efc9ab8a36e1198c199.0;received=[PUBLIC-KAMAILIO]
Via: SIP/2.0/UDP
127.0.0.8;branch=AX--tSEfHdrxbzKDRJlebk2eZknxmkYqIU2x6iMqyuMPyut4I-Me0JgKClzT5SLqLumisY08627qsW9e5ufx5Kbe5dte0eWe0lmT5Rhq6xyTE**
Record-Route:
<sip:[PUBLIC-KAMAILIO];lr;r2=on;ftag=gK0e4a212a;vst=AAAAABkJAw0IDQ4PAQF2AXIWFwYXGQEWHQc4OjUwNjA-;did=7.a51>
Record-Route:
<sip:127.0.0.8;line=sr-XLSMq0lrx0hrq6lrx0lgX0dzPLkgP9dgTvDWTH2vZH1Se5CmxIuWqyTHF621E-R1E-uaZhRyxCSC-IDEEKR5xhRiZKF5F2SiD2RRKtWDiHD48SKyI.Q1fIwh8sEzemYWeIC*>
Contact: <sip:pstn-did@[PUBLIC-MITEL]:5060;transport=UDP>
To: <sip:pstn-did@[PUBLIC-MITEL]>;tag=0_1970073968-102972850
From: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>;tag=gK0e4a212a
Call-ID: 1309573957_105226997@[PSTN-IPADDRESS]
CSeq: 23665 INVITE
Session-Expires: 90;refresher=uas
Allow: INVITE, BYE, CANCEL, ACK, INFO, PRACK, OPTIONS, SUBSCRIBE,
NOTIFY, REFER, REGISTER, UPDATE
Content-Type: application/sdp
Date: Thu, 13 Aug 2015 00:31:42 GMT
Supported: timer
User-Agent: Mitel Border GW/4.4.0.80-01
P-Asserted-Identity: "B.Fretz" <sip:6104156300@10.3.3.5>
Content-Length: 188
Message Body
Frame 7: 554 bytes on wire (4432 bits), 554 bytes captured (4432 bits)
Linux cooked capture
Internet Protocol Version 4, Src: [PUBLIC-KAMAILIO] ([PUBLIC-KAMAILIO]), Dst:
[PUBLIC-MITEL] ([PUBLIC-MITEL])
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Session Initiation Protocol (ACK)
Request-Line: ACK sip:pstn-did@[PUBLIC-MITEL]:5060;transport=UDP SIP/2.0
Message Header
Via: SIP/2.0/UDP
[PUBLIC-KAMAILIO];branch=z9hG4bK05ee.5ccf57f6023fc9d4fb07654e99b5d50a.0
Via: SIP/2.0/UDP
127.0.0.8;branch=AX--tSEfHdrxbzKDRJlebk2eZknxmkYqIU2x6iMqyuMPyut4I-Me0JgKClzT5eLqLumisY08627qsW9e5ufx5Kbe5dLxHEMeI-nT0dHT6JtTl**
From: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>;tag=gK0e4a212a
To: <sip:pstn-did@[PUBLIC-MITEL]>;tag=0_1970073968-102972850
Call-ID: 1309573957_105226997@[PSTN-IPADDRESS]
CSeq: 23665 ACK
Max-Forwards: 69
Content-Length: 0
Frame 8: 981 bytes on wire (7848 bits), 981 bytes captured (7848 bits)
Linux cooked capture
Internet Protocol Version 4, Src: [PUBLIC-MITEL] ([PUBLIC-MITEL]), Dst:
[PUBLIC-KAMAILIO] ([PUBLIC-KAMAILIO])
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Session Initiation Protocol (INVITE)
Request-Line: INVITE
sip:127.0.0.8;line=sr-XLSMqGpnx0C2x0hMe6Xnq-Jtf0-2f0CHf0hYq0-Me0J* SIP/2.0
Message Header
Via: SIP/2.0/UDP
[PUBLIC-MITEL]:5060;branch=z9hG4bK-d8754z-2648756d6bb46b65-1---d8754z-;rport
Max-Forwards: 69
Route:
<sip:[PUBLIC-KAMAILIO];lr;r2=on;ftag=gK0e4a212a;vst=AAAAABkJAw0IDQ4PAQF2AXIWFwYXGQEWHQc4OjUwNjA-;did=7.a51>
Route:
<sip:127.0.0.8;line=sr-XLSMq0lrx0hrq6lrx0lgX0dzPLkgP9dgTvDWTH2vZH1Se5CmxIuWqyTHF621E-R1E-uaZhRyxCSC-IDEEKR5xhRiZKF5F2SiD2RRKtWDiHD48SKyI.Q1fIwh8sEzemYWeIC*>
Contact: <sip:[PUBLIC-MITEL]:5060;transport=UDP>
To: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>;tag=gK0e4a212a
From: <sip:pstn-did@[PUBLIC-MITEL]:5060>;tag=0_1970073968-102972850
Call-ID: 1309573957_105226997@[PSTN-IPADDRESS]
CSeq: 747722615 INVITE
Session-Expires: 90;refresher=uac
Min-SE: 90
Allow: INVITE, BYE, CANCEL, ACK, INFO, PRACK, OPTIONS, SUBSCRIBE,
NOTIFY, REFER, REGISTER, UPDATE
Supported: 100rel, timer
User-Agent: Mitel Border GW/4.4.0.80-01
Content-Length: 0
Frame 9: 430 bytes on wire (3440 bits), 430 bytes captured (3440 bits)
Linux cooked capture
Internet Protocol Version 4, Src: [PUBLIC-KAMAILIO] ([PUBLIC-KAMAILIO]), Dst:
[PUBLIC-MITEL] ([PUBLIC-MITEL])
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Session Initiation Protocol (100)
Status-Line: SIP/2.0 100 AX trying
Message Header
Via: SIP/2.0/UDP
[PUBLIC-MITEL]:5060;branch=z9hG4bK-d8754z-2648756d6bb46b65-1---d8754z-;rport=5060;received=[PUBLIC-MITEL]
To: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>;tag=gK0e4a212a
From: <sip:pstn-did@[PUBLIC-MITEL]:5060>;tag=0_1970073968-102972850
Call-ID: 1309573957_105226997@[PSTN-IPADDRESS]
CSeq: 747722615 INVITE
Server: AX Kamailio 4.3
Content-Length: 0
Frame 10: 476 bytes on wire (3808 bits), 476 bytes captured (3808 bits)
Linux cooked capture
Internet Protocol Version 4, Src: [PUBLIC-KAMAILIO] ([PUBLIC-KAMAILIO]), Dst:
[PUBLIC-MITEL] ([PUBLIC-MITEL])
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Session Initiation Protocol (400)
Status-Line: SIP/2.0 400 Bad Request
Message Header
Via: SIP/2.0/UDP
[PUBLIC-MITEL]:5060;received=[PUBLIC-MITEL];branch=z9hG4bK-d8754z-2648756d6bb46b65-1---d8754z-;rport=5060
From: <sip:pstn-did@[PUBLIC-MITEL]:5060>;tag=0_1970073968-102972850
To: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>;tag=gK0e4a212a
Call-ID: 1309573957_105226997@[PSTN-IPADDRESS]
CSeq: 747722615 INVITE
Error-Info: <sip:+1callerid-did@[PSTN-IPADDRESS]>;cause="[line 007] SIP
syntax error"
Content-Length: 0
Frame 11: 756 bytes on wire (6048 bits), 756 bytes captured (6048 bits)
Linux cooked capture
Internet Protocol Version 4, Src: [PUBLIC-MITEL] ([PUBLIC-MITEL]), Dst:
[PUBLIC-KAMAILIO] ([PUBLIC-KAMAILIO])
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Session Initiation Protocol (ACK)
Request-Line: ACK
sip:127.0.0.8;line=sr-XLSMqGpnx0C2x0hMe6Xnq-Jtf0-2f0CHf0hYq0-Me0J* SIP/2.0
Message Header
Via: SIP/2.0/UDP
[PUBLIC-MITEL]:5060;branch=z9hG4bK-d8754z-2648756d6bb46b65-1---d8754z-;rport
Max-Forwards: 70
Route:
<sip:[PUBLIC-KAMAILIO];lr;r2=on;ftag=gK0e4a212a;vst=AAAAABkJAw0IDQ4PAQF2AXIWFwYXGQEWHQc4OjUwNjA-;did=7.a51>
Route:
<sip:127.0.0.8;line=sr-XLSMq0lrx0hrq6lrx0lgX0dzPLkgP9dgTvDWTH2vZH1Se5CmxIuWqyTHF621E-R1E-uaZhRyxCSC-IDEEKR5xhRiZKF5F2SiD2RRKtWDiHD48SKyI.Q1fIwh8sEzemYWeIC*>
To: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>;tag=gK0e4a212a
From: <sip:pstn-did@[PUBLIC-MITEL]:5060>;tag=0_1970073968-102972850
Call-ID: 1309573957_105226997@[PSTN-IPADDRESS]
CSeq: 747722615 ACK
User-Agent: Mitel Border GW/4.4.0.80-01
Content-Length: 0
Frame 12: 473 bytes on wire (3784 bits), 473 bytes captured (3784 bits)
Linux cooked capture
Internet Protocol Version 4, Src: [PUBLIC-KAMAILIO] ([PUBLIC-KAMAILIO]), Dst:
[PUBLIC-MITEL] ([PUBLIC-MITEL])
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Session Initiation Protocol (400)
Status-Line: SIP/2.0 400 Bad Request
Message Header
Via: SIP/2.0/UDP
[PUBLIC-MITEL]:5060;received=[PUBLIC-MITEL];branch=z9hG4bK-d8754z-bf52914e6f9b6c7f-1---d8754z-;rport=5060
From: <sip:pstn-did@[PUBLIC-MITEL]:5060>;tag=0_1970073968-102972850
To: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>;tag=gK0e4a212a
Call-ID: 1309573957_105226997@[PSTN-IPADDRESS]
CSeq: 747722616 BYE
Error-Info: <sip:+1callerid-did@[PSTN-IPADDRESS]>;cause="[line 006] SIP
syntax error"
Content-Length: 0
Frame 13: 573 bytes on wire (4584 bits), 573 bytes captured (4584 bits)
Linux cooked capture
Internet Protocol Version 4, Src: [PUBLIC-KAMAILIO] ([PUBLIC-KAMAILIO]), Dst:
[PUBLIC-MITEL] ([PUBLIC-MITEL])
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Session Initiation Protocol (BYE)
Request-Line: BYE sip:pstn-did@[PUBLIC-MITEL]:5060;transport=UDP SIP/2.0
Message Header
Via: SIP/2.0/UDP
[PUBLIC-KAMAILIO];branch=z9hG4bKe4ee.b298f3b0ad9c8aadd46e5f1550940b25.0
Via: SIP/2.0/UDP
127.0.0.8;branch=AX--tSEfHdrxbzKDRJlebk2eZknxmkYqIU2x6iMqyuMPyut4I-Me0JgKClzT5eLqLumisY08627qsW9e5ufx5Kbe5u0xH-yqsdnT0dHT6JtTl**
From: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>;tag=gK0e4a212a
To: <sip:pstn-did@[PUBLIC-MITEL]>;tag=0_1970073968-102972850
Call-ID: 1309573957_105226997@[PSTN-IPADDRESS]
CSeq: 23667 BYE
Max-Forwards: 69
Supported: 100rel
Content-Length: 0
Frame 14: 620 bytes on wire (4960 bits), 620 bytes captured (4960 bits)
Linux cooked capture
Internet Protocol Version 4, Src: [PUBLIC-MITEL] ([PUBLIC-MITEL]), Dst:
[PUBLIC-KAMAILIO] ([PUBLIC-KAMAILIO])
User Datagram Protocol, Src Port: 5060 (5060), Dst Port: 5060 (5060)
Session Initiation Protocol (481)
Status-Line: SIP/2.0 481 Call/Transaction Does Not Exist
Message Header
Via: SIP/2.0/UDP
[PUBLIC-KAMAILIO];branch=z9hG4bKe4ee.b298f3b0ad9c8aadd46e5f1550940b25.0;received=[PUBLIC-KAMAILIO]
Via: SIP/2.0/UDP
127.0.0.8;branch=AX--tSEfHdrxbzKDRJlebk2eZknxmkYqIU2x6iMqyuMPyut4I-Me0JgKClzT5eLqLumisY08627qsW9e5ufx5Kbe5u0xH-yqsdnT0dHT6JtTl**
To: <sip:pstn-did@[PUBLIC-MITEL]>;tag=0_1970073968-102972850
From: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>;tag=gK0e4a212a
Call-ID: 1309573957_105226997@[PSTN-IPADDRESS]
CSeq: 23667 BYE
Date: Thu, 13 Aug 2015 00:32:03 GMT
User-Agent: Mitel Border GW/4.4.0.80-01
Content-Length: 0
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