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call from 109 @ 172.25.59.198 to 104 @ 172.25.59.229

a guest Aug 16th, 2019 75 Never
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  1. call from 109 @ 172.25.59.198 to 104 @ 172.25.59.229
  2. [root@freepbx ~]# tcpdump -i eth2 host 172.25.59.229 or 172.25.59.198 and port 5060 -v
  3. tcpdump: listening on eth2, link-type EN10MB (Ethernet), capture size 65535 bytes
  4. 17:15:26.119807 IP (tos 0x68, ttl 64, id 42516, offset 0, flags [none], proto UDP (17), length 1273)
  5.     172.25.59.198.16692 > 172.25.59.164.sip: SIP, length: 1245
  6.         INVITE sip:104@172.25.59.164 SIP/2.0
  7.         Via: SIP/2.0/UDP 172.25.59.198:16692;branch=z9hG4bK1304215592;rport
  8.         Route: <sip:172.25.59.164:5060;lr>
  9.         From: "109" <sip:109@172.25.59.164>;tag=793769793
  10.         To: <sip:104@172.25.59.164>
  11.         Call-ID: 1328343243-16692-56@BHC.CF.FJ.BJI
  12.         CSeq: 450 INVITE
  13.         Contact: "109" <sip:109@172.25.59.198:16692>
  14.         X-Grandstream-PBX: true
  15.         Max-Forwards: 70
  16.         User-Agent: Grandstream GXP1628 1.0.4.55
  17.         Privacy: none
  18.         P-Preferred-Identity: "109" <sip:109@172.25.59.164>
  19.         P-Access-Network-Info: IEEE-EUI-48;eui-48-addr=00-08-A2-0F-7D-9E
  20.         P-Emergency-Info: IEEE-EUI-48;eui-48-addr=00-0B-82-9F-45-5C
  21.         Supported: replaces, path, timer
  22.         Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
  23.         Content-Type: application/sdp
  24.         Accept: application/sdp, application/dtmf-relay
  25.         Content-Length:   404
  26.  
  27.         v=0
  28.         o=109 8000 8000 IN IP4 172.25.59.198
  29.         s=SIP Call
  30.         c=IN IP4 172.25.59.198
  31.         t=0 0
  32.         m=audio 50960 RTP/AVP 0 8 4 18 9 97 2 101
  33.         a=sendrecv
  34.         a=rtpmap:0 PCMU/8000
  35.         a=ptime:20
  36.         a=rtpmap:8 PCMA/8000
  37.         a=rtpmap:4 G723/8000
  38.         a=rtpmap:18 G729/8000
  39.         a=fmtp:18 annexb=no
  40.         a=rtpmap:9 G722/8000
  41.         a=rtpmap:97 iLBC/8000
  42.         a=fmtp:97 mode=30
  43.         a=rtpmap:2 G726-32/8000
  44.         a=rtpmap:101 telephone-event/8000
  45.         a=fmtp:101 0-15
  46.  
  47. 17:15:26.120647 IP (tos 0x60, ttl 64, id 33846, offset 0, flags [none], proto UDP (17), length 558)
  48.     172.25.59.164.sip > 172.25.59.198.16692: SIP, length: 530
  49.         SIP/2.0 401 Unauthorized
  50.         Via: SIP/2.0/UDP 172.25.59.198:16692;branch=z9hG4bK1304215592;received=172.25.59.198;rport=16692
  51.         From: "109" <sip:109@172.25.59.164>;tag=793769793
  52.         To: <sip:104@172.25.59.164>;tag=as5ab12944
  53.         Call-ID: 1328343243-16692-56@BHC.CF.FJ.BJI
  54.         CSeq: 450 INVITE
  55.         Server: FPBX-13.0.197(13.23.1)
  56.         Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
  57.         Supported: replaces, timer
  58.         WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="5002feeb"
  59.         Content-Length: 0
  60.  
  61.  
  62. 17:15:26.140785 IP (tos 0x68, ttl 64, id 42517, offset 0, flags [none], proto UDP (17), length 343)
  63.     172.25.59.198.16692 > 172.25.59.164.sip: SIP, length: 315
  64.         ACK sip:104@172.25.59.164 SIP/2.0
  65.         Via: SIP/2.0/UDP 172.25.59.198:16692;branch=z9hG4bK1304215592;rport
  66.         Route: <sip:172.25.59.164:5060;lr>
  67.         From: "109" <sip:109@172.25.59.164>;tag=793769793
  68.         To: <sip:104@172.25.59.164>;tag=as5ab12944
  69.         Call-ID: 1328343243-16692-56@BHC.CF.FJ.BJI
  70.         CSeq: 450 ACK
  71.         Content-Length: 0
  72.  
  73.  
  74. 17:15:26.152181 IP (tos 0x68, ttl 64, id 42518, offset 0, flags [none], proto UDP (17), length 1436)
  75.     172.25.59.198.16692 > 172.25.59.164.sip: SIP, length: 1408
  76.         INVITE sip:104@172.25.59.164 SIP/2.0
  77.         Via: SIP/2.0/UDP 172.25.59.198:16692;branch=z9hG4bK1195671337;rport
  78.         Route: <sip:172.25.59.164:5060;lr>
  79.         From: "109" <sip:109@172.25.59.164>;tag=793769793
  80.         To: <sip:104@172.25.59.164>
  81.         Call-ID: 1328343243-16692-56@BHC.CF.FJ.BJI
  82.         CSeq: 451 INVITE
  83.         Contact: "109" <sip:109@172.25.59.198:16692>
  84.         Authorization: Digest username="109", realm="asterisk", nonce="5002feeb", uri="sip:104@172.25.59.164", response="32c4917d6d95d54aadd8a3a181bc225a", algorithm=MD5
  85.         X-Grandstream-PBX: true
  86.         Max-Forwards: 70
  87.         User-Agent: Grandstream GXP1628 1.0.4.55
  88.         Privacy: none
  89.         P-Preferred-Identity: "109" <sip:109@172.25.59.164>
  90.         P-Access-Network-Info: IEEE-EUI-48;eui-48-addr=00-08-A2-0F-7D-9E
  91.         P-Emergency-Info: IEEE-EUI-48;eui-48-addr=00-0B-82-9F-45-5C
  92.         Supported: replaces, path, timer
  93.         Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
  94.         Content-Type: application/sdp
  95.         Accept: application/sdp, application/dtmf-relay
  96.         Content-Length:   404
  97.  
  98.         v=0
  99.         o=109 8000 8000 IN IP4 172.25.59.198
  100.         s=SIP Call
  101.         c=IN IP4 172.25.59.198
  102.         t=0 0
  103.         m=audio 50960 RTP/AVP 0 8 4 18 9 97 2 101
  104.         a=sendrecv
  105.         a=rtpmap:0 PCMU/8000
  106.         a=ptime:20
  107.         a=rtpmap:8 PCMA/8000
  108.         a=rtpmap:4 G723/8000
  109.         a=rtpmap:18 G729/8000
  110.         a=fmtp:18 annexb=no
  111.         a=rtpmap:9 G722/8000
  112.         a=rtpmap:97 iLBC/8000
  113.         a=fmtp:97 mode=30
  114.         a=rtpmap:2 G726-32/8000
  115.         a=rtpmap:101 telephone-event/8000
  116.         a=fmtp:101 0-15
  117.  
  118. 17:15:26.160748 IP (tos 0x60, ttl 64, id 1461, offset 0, flags [none], proto UDP (17), length 698)
  119.     172.25.59.164.sip > 172.25.59.229.59066: SIP, length: 670
  120.         NOTIFY sip:104@172.25.59.229:59066 SIP/2.0
  121.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK1310a71c;rport
  122.         Max-Forwards: 70
  123.         From: <sip:109@172.25.59.164>;tag=as03638f86
  124.         To: <sip:104@172.25.59.164>;tag=2047173811
  125.         Contact: <sip:109@172.25.59.164:5060>
  126.         Call-ID: 1366929487-59066-222@BHC.CF.FJ.CCJ
  127.         CSeq: 853 NOTIFY
  128.         User-Agent: FPBX-13.0.197(13.23.1)
  129.         Subscription-State: active
  130.         Event: dialog
  131.         Content-Type: application/dialog-info+xml
  132.         Content-Length: 205
  133.  
  134.         <?xml version="1.0"?>\0x0a<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="751" state="full" entity="sip:109@172.25.59.164">\0x0a<dialog id="109">\0x0a<state>confirmed</state>\0x0a</dialog>\0x0a</dialog-info>[|sip]
  135. 17:15:26.161608 IP (tos 0x60, ttl 64, id 33847, offset 0, flags [none], proto UDP (17), length 537)
  136.     172.25.59.164.sip > 172.25.59.198.16692: SIP, length: 509
  137.         SIP/2.0 100 Trying
  138.         Via: SIP/2.0/UDP 172.25.59.198:16692;branch=z9hG4bK1195671337;received=172.25.59.198;rport=16692
  139.         From: "109" <sip:109@172.25.59.164>;tag=793769793
  140.         To: <sip:104@172.25.59.164>
  141.         Call-ID: 1328343243-16692-56@BHC.CF.FJ.BJI
  142.         CSeq: 451 INVITE
  143.         Server: FPBX-13.0.197(13.23.1)
  144.         Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
  145.         Supported: replaces, timer
  146.         Session-Expires: 1800;refresher=uas
  147.         Contact: <sip:104@172.25.59.164:5060>
  148.         Content-Length: 0
  149.  
  150.  
  151. 17:15:26.161718 IP (tos 0x60, ttl 64, id 33848, offset 0, flags [none], proto UDP (17), length 694)
  152.     172.25.59.164.sip > 172.25.59.198.16692: SIP, length: 666
  153.         NOTIFY sip:109@172.25.59.198:16692 SIP/2.0
  154.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK1563a7ba;rport
  155.         Max-Forwards: 70
  156.         From: <sip:109@172.25.59.164>;tag=as24c42f0a
  157.         To: <sip:109@172.25.59.164>;tag=217921608
  158.         Contact: <sip:109@172.25.59.164:5060>
  159.         Call-ID: 823747092-16692-7@BHC.CF.FJ.BJI
  160.         CSeq: 850 NOTIFY
  161.         User-Agent: FPBX-13.0.197(13.23.1)
  162.         Subscription-State: active
  163.         Event: dialog
  164.         Content-Type: application/dialog-info+xml
  165.         Content-Length: 205
  166.  
  167.         <?xml version="1.0"?>\0x0a<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="748" state="full" entity="sip:109@172.25.59.164">\0x0a<dialog id="109">\0x0a<state>confirmed</state>\0x0a</dialog>\0x0a</dialog-info>[|sip]
  168. 17:15:26.171687 IP (tos 0x30, ttl 64, id 40311, offset 0, flags [none], proto UDP (17), length 496)
  169.     172.25.59.229.59066 > 172.25.59.164.sip: SIP, length: 468
  170.         SIP/2.0 200 OK
  171.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK1310a71c;rport=5060
  172.         From: <sip:109@172.25.59.164>;tag=as03638f86
  173.         To: <sip:104@172.25.59.164>;tag=2047173811
  174.         Call-ID: 1366929487-59066-222@BHC.CF.FJ.CCJ
  175.         CSeq: 853 NOTIFY
  176.         Contact: <sip:104@172.25.59.229:59066>
  177.         Supported: replaces, path, timer
  178.         User-Agent: Grandstream GXP1628 1.0.4.17
  179.         Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
  180.         Content-Length: 0
  181.  
  182.  
  183. 17:15:26.181299 IP (tos 0x68, ttl 64, id 42519, offset 0, flags [none], proto UDP (17), length 492)
  184.     172.25.59.198.16692 > 172.25.59.164.sip: SIP, length: 464
  185.         SIP/2.0 200 OK
  186.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK1563a7ba;rport=5060
  187.         From: <sip:109@172.25.59.164>;tag=as24c42f0a
  188.         To: <sip:109@172.25.59.164>;tag=217921608
  189.         Call-ID: 823747092-16692-7@BHC.CF.FJ.BJI
  190.         CSeq: 850 NOTIFY
  191.         Contact: <sip:109@172.25.59.198:16692>
  192.         Supported: replaces, path, timer
  193.         User-Agent: Grandstream GXP1628 1.0.4.55
  194.         Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
  195.         Content-Length: 0
  196.  
  197.  
  198. 17:15:26.261545 IP (tos 0x60, ttl 64, id 33849, offset 0, flags [none], proto UDP (17), length 584)
  199.     172.25.59.164.sip > 172.25.59.198.16692: SIP, length: 556
  200.         OPTIONS sip:109@172.25.59.198:16692 SIP/2.0
  201.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK3ff7e26e
  202.         Max-Forwards: 70
  203.         From: "Unknown" <sip:Unknown@172.25.59.164>;tag=as7ae9b43f
  204.         To: <sip:109@172.25.59.198:16692>
  205.         Contact: <sip:Unknown@172.25.59.164:5060>
  206.         Call-ID: 4683bc90633f81020941043105ef2704@172.25.59.164:5060
  207.         CSeq: 102 OPTIONS
  208.         User-Agent: FPBX-13.0.197(13.23.1)
  209.         Date: Thu, 15 Aug 2019 21:15:26 GMT
  210.         Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
  211.         Supported: replaces, timer
  212.         Content-Length: 0
  213.  
  214.  
  215. 17:15:26.268015 IP (tos 0x68, ttl 64, id 42520, offset 0, flags [none], proto UDP (17), length 483)
  216.     172.25.59.198.16692 > 172.25.59.164.sip: SIP, length: 455
  217.         SIP/2.0 200 OK
  218.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK3ff7e26e
  219.         From: "Unknown" <sip:Unknown@172.25.59.164>;tag=as7ae9b43f
  220.         To: <sip:109@172.25.59.198:16692>;tag=1256713357
  221.         Call-ID: 4683bc90633f81020941043105ef2704@172.25.59.164:5060
  222.         CSeq: 102 OPTIONS
  223.         Supported: replaces, path, timer
  224.         User-Agent: Grandstream GXP1628 1.0.4.55
  225.         Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
  226.         Content-Length: 0
  227.  
  228.  
  229. 17:15:26.426970 IP (tos 0x60, ttl 64, id 1462, offset 0, flags [none], proto UDP (17), length 985)
  230.     172.25.59.164.sip > 172.25.59.229.59066: SIP, length: 957
  231.         INVITE sip:104@172.25.59.229:59066 SIP/2.0
  232.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK1a81bc0a
  233.         Max-Forwards: 70
  234.         From: "109" <sip:109@172.25.59.164>;tag=as49973b36
  235.         To: <sip:104@172.25.59.229:59066>
  236.         Contact: <sip:109@172.25.59.164:5060>
  237.         Call-ID: 2a50f5613cb73f3a4188bf6071cd3a37@172.25.59.164:5060
  238.         CSeq: 102 INVITE
  239.         User-Agent: FPBX-13.0.197(13.23.1)
  240.         Date: Thu, 15 Aug 2019 21:15:26 GMT
  241.         Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
  242.         Supported: replaces, timer
  243.         Alert-Info: <http://127.0.0.1>;info=;info=internal
  244.         Content-Type: application/sdp
  245.         Content-Length: 330
  246.  
  247.         v=0
  248.         o=root 678619286 678619286 IN IP4 172.25.59.164
  249.         s=Asterisk PBX 13.23.1
  250.         c=IN IP4 172.25.59.164
  251.         t=0 0
  252.         m=audio 17626 RTP/AVP 0 8 3 111 101
  253.         a=rtpmap:0 PCMU/8000
  254.         a=rtpmap:8 PCMA/8000
  255.         a=rtpmap:3 GSM/8000
  256.         a=rtpmap:111 G726-32/8000
  257.         a=rtpmap:101 telephone-event/8000
  258.         a=fmtp:101 0-16
  259.         a=ptime:20
  260.         a=maxptime:150
  261.         a=sendrecv
  262.  
  263. 17:15:26.428468 IP (tos 0x60, ttl 64, id 33850, offset 0, flags [none], proto UDP (17), length 605)
  264.     172.25.59.164.sip > 172.25.59.198.16692: SIP, length: 577
  265.         SIP/2.0 180 Ringing
  266.         Via: SIP/2.0/UDP 172.25.59.198:16692;branch=z9hG4bK1195671337;received=172.25.59.198;rport=16692
  267.         From: "109" <sip:109@172.25.59.164>;tag=793769793
  268.         To: <sip:104@172.25.59.164>;tag=as40d2049d
  269.         Call-ID: 1328343243-16692-56@BHC.CF.FJ.BJI
  270.         CSeq: 451 INVITE
  271.         Server: FPBX-13.0.197(13.23.1)
  272.         Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
  273.         Supported: replaces, timer
  274.         Session-Expires: 1800;refresher=uas
  275.         Contact: <sip:104@172.25.59.164:5060>
  276.         P-Asserted-Identity: "104" <sip:104@172.25.59.164>
  277.         Content-Length: 0
  278.  
  279.  
  280. 17:15:26.433096 IP (tos 0x60, ttl 64, id 1463, offset 0, flags [none], proto UDP (17), length 715)
  281.     172.25.59.164.sip > 172.25.59.229.59066: SIP, length: 687
  282.         NOTIFY sip:104@172.25.59.229:59066 SIP/2.0
  283.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK0c1e3bdc;rport
  284.         Max-Forwards: 70
  285.         From: <sip:104@172.25.59.164>;tag=as624a00cb
  286.         To: <sip:104@172.25.59.164>;tag=750432846
  287.         Contact: <sip:104@172.25.59.164:5060>
  288.         Call-ID: 848781887-59066-225@BHC.CF.FJ.CCJ
  289.         CSeq: 1018 NOTIFY
  290.         User-Agent: FPBX-13.0.197(13.23.1)
  291.         Subscription-State: active
  292.         Event: dialog
  293.         Content-Type: application/dialog-info+xml
  294.         Content-Length: 223
  295.  
  296.         <?xml version="1.0"?>\0x0a<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="916" state="full" entity="sip:104@172.25.59.164">\0x0a<dialog id="104" direction="recipient">\0x0a<state>early</state>\0x0a</dialog>\0x0a</dialog-info>[|sip]
  297. 17:15:26.434058 IP (tos 0x60, ttl 64, id 33851, offset 0, flags [none], proto UDP (17), length 716)
  298.     172.25.59.164.sip > 172.25.59.198.16692: SIP, length: 688
  299.         NOTIFY sip:109@172.25.59.198:16692 SIP/2.0
  300.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK3855685a;rport
  301.         Max-Forwards: 70
  302.         From: <sip:104@172.25.59.164>;tag=as4304a19f
  303.         To: <sip:109@172.25.59.164>;tag=1640136391
  304.         Contact: <sip:104@172.25.59.164:5060>
  305.         Call-ID: 1841231122-16692-10@BHC.CF.FJ.BJI
  306.         CSeq: 1018 NOTIFY
  307.         User-Agent: FPBX-13.0.197(13.23.1)
  308.         Subscription-State: active
  309.         Event: dialog
  310.         Content-Type: application/dialog-info+xml
  311.         Content-Length: 223
  312.  
  313.         <?xml version="1.0"?>\0x0a<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="916" state="full" entity="sip:104@172.25.59.164">\0x0a<dialog id="104" direction="recipient">\0x0a<state>early</state>\0x0a</dialog>\0x0a</dialog-info>[|sip]
  314. 17:15:26.443437 IP (tos 0x30, ttl 64, id 40312, offset 0, flags [none], proto UDP (17), length 495)
  315.     172.25.59.229.59066 > 172.25.59.164.sip: SIP, length: 467
  316.         SIP/2.0 200 OK
  317.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK0c1e3bdc;rport=5060
  318.         From: <sip:104@172.25.59.164>;tag=as624a00cb
  319.         To: <sip:104@172.25.59.164>;tag=750432846
  320.         Call-ID: 848781887-59066-225@BHC.CF.FJ.CCJ
  321.         CSeq: 1018 NOTIFY
  322.         Contact: <sip:104@172.25.59.229:59066>
  323.         Supported: replaces, path, timer
  324.         User-Agent: Grandstream GXP1628 1.0.4.17
  325.         Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
  326.         Content-Length: 0
  327.  
  328.  
  329. 17:15:26.479204 IP (tos 0x68, ttl 64, id 42521, offset 0, flags [none], proto UDP (17), length 496)
  330.     172.25.59.198.16692 > 172.25.59.164.sip: SIP, length: 468
  331.         SIP/2.0 200 OK
  332.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK3855685a;rport=5060
  333.         From: <sip:104@172.25.59.164>;tag=as4304a19f
  334.         To: <sip:109@172.25.59.164>;tag=1640136391
  335.         Call-ID: 1841231122-16692-10@BHC.CF.FJ.BJI
  336.         CSeq: 1018 NOTIFY
  337.         Contact: <sip:109@172.25.59.198:16692>
  338.         Supported: replaces, path, timer
  339.         User-Agent: Grandstream GXP1628 1.0.4.55
  340.         Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
  341.         Content-Length: 0
  342.  
  343.  
  344. 17:15:26.526889 IP (tos 0x60, ttl 64, id 1464, offset 0, flags [none], proto UDP (17), length 985)
  345.     172.25.59.164.sip > 172.25.59.229.59066: SIP, length: 957
  346.         INVITE sip:104@172.25.59.229:59066 SIP/2.0
  347.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK1a81bc0a
  348.         Max-Forwards: 70
  349.         From: "109" <sip:109@172.25.59.164>;tag=as49973b36
  350.         To: <sip:104@172.25.59.229:59066>
  351.         Contact: <sip:109@172.25.59.164:5060>
  352.         Call-ID: 2a50f5613cb73f3a4188bf6071cd3a37@172.25.59.164:5060
  353.         CSeq: 102 INVITE
  354.         User-Agent: FPBX-13.0.197(13.23.1)
  355.         Date: Thu, 15 Aug 2019 21:15:26 GMT
  356.         Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
  357.         Supported: replaces, timer
  358.         Alert-Info: <http://127.0.0.1>;info=;info=internal
  359.         Content-Type: application/sdp
  360.         Content-Length: 330
  361.  
  362.         v=0
  363.         o=root 678619286 678619286 IN IP4 172.25.59.164
  364.         s=Asterisk PBX 13.23.1
  365.         c=IN IP4 172.25.59.164
  366.         t=0 0
  367.         m=audio 17626 RTP/AVP 0 8 3 111 101
  368.         a=rtpmap:0 PCMU/8000
  369.         a=rtpmap:8 PCMA/8000
  370.         a=rtpmap:3 GSM/8000
  371.         a=rtpmap:111 G726-32/8000
  372.         a=rtpmap:101 telephone-event/8000
  373.         a=fmtp:101 0-16
  374.         a=ptime:20
  375.         a=maxptime:150
  376.         a=sendrecv
  377.  
  378. 17:15:26.727140 IP (tos 0x60, ttl 64, id 1465, offset 0, flags [none], proto UDP (17), length 985)
  379.     172.25.59.164.sip > 172.25.59.229.59066: SIP, length: 957
  380.         INVITE sip:104@172.25.59.229:59066 SIP/2.0
  381.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK1a81bc0a
  382.         Max-Forwards: 70
  383.         From: "109" <sip:109@172.25.59.164>;tag=as49973b36
  384.         To: <sip:104@172.25.59.229:59066>
  385.         Contact: <sip:109@172.25.59.164:5060>
  386.         Call-ID: 2a50f5613cb73f3a4188bf6071cd3a37@172.25.59.164:5060
  387.         CSeq: 102 INVITE
  388.         User-Agent: FPBX-13.0.197(13.23.1)
  389.         Date: Thu, 15 Aug 2019 21:15:26 GMT
  390.         Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
  391.         Supported: replaces, timer
  392.         Alert-Info: <http://127.0.0.1>;info=;info=internal
  393.         Content-Type: application/sdp
  394.         Content-Length: 330
  395.  
  396.         v=0
  397.         o=root 678619286 678619286 IN IP4 172.25.59.164
  398.         s=Asterisk PBX 13.23.1
  399.         c=IN IP4 172.25.59.164
  400.         t=0 0
  401.         m=audio 17626 RTP/AVP 0 8 3 111 101
  402.         a=rtpmap:0 PCMU/8000
  403.         a=rtpmap:8 PCMA/8000
  404.         a=rtpmap:3 GSM/8000
  405.         a=rtpmap:111 G726-32/8000
  406.         a=rtpmap:101 telephone-event/8000
  407.         a=fmtp:101 0-16
  408.         a=ptime:20
  409.         a=maxptime:150
  410.         a=sendrecv
  411.  
  412. 17:15:27.126935 IP (tos 0x60, ttl 64, id 1466, offset 0, flags [none], proto UDP (17), length 985)
  413.     172.25.59.164.sip > 172.25.59.229.59066: SIP, length: 957
  414.         INVITE sip:104@172.25.59.229:59066 SIP/2.0
  415.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK1a81bc0a
  416.         Max-Forwards: 70
  417.         From: "109" <sip:109@172.25.59.164>;tag=as49973b36
  418.         To: <sip:104@172.25.59.229:59066>
  419.         Contact: <sip:109@172.25.59.164:5060>
  420.         Call-ID: 2a50f5613cb73f3a4188bf6071cd3a37@172.25.59.164:5060
  421.         CSeq: 102 INVITE
  422.         User-Agent: FPBX-13.0.197(13.23.1)
  423.         Date: Thu, 15 Aug 2019 21:15:26 GMT
  424.         Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
  425.         Supported: replaces, timer
  426.         Alert-Info: <http://127.0.0.1>;info=;info=internal
  427.         Content-Type: application/sdp
  428.         Content-Length: 330
  429.  
  430.         v=0
  431.         o=root 678619286 678619286 IN IP4 172.25.59.164
  432.         s=Asterisk PBX 13.23.1
  433.         c=IN IP4 172.25.59.164
  434.         t=0 0
  435.         m=audio 17626 RTP/AVP 0 8 3 111 101
  436.         a=rtpmap:0 PCMU/8000
  437.         a=rtpmap:8 PCMA/8000
  438.         a=rtpmap:3 GSM/8000
  439.         a=rtpmap:111 G726-32/8000
  440.         a=rtpmap:101 telephone-event/8000
  441.         a=fmtp:101 0-16
  442.         a=ptime:20
  443.         a=maxptime:150
  444.         a=sendrecv
  445.  
  446. 17:15:27.926843 IP (tos 0x60, ttl 64, id 1467, offset 0, flags [none], proto UDP (17), length 985)
  447.     172.25.59.164.sip > 172.25.59.229.59066: SIP, length: 957
  448.         INVITE sip:104@172.25.59.229:59066 SIP/2.0
  449.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK1a81bc0a
  450.         Max-Forwards: 70
  451.         From: "109" <sip:109@172.25.59.164>;tag=as49973b36
  452.         To: <sip:104@172.25.59.229:59066>
  453.         Contact: <sip:109@172.25.59.164:5060>
  454.         Call-ID: 2a50f5613cb73f3a4188bf6071cd3a37@172.25.59.164:5060
  455.         CSeq: 102 INVITE
  456.         User-Agent: FPBX-13.0.197(13.23.1)
  457.         Date: Thu, 15 Aug 2019 21:15:26 GMT
  458.         Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
  459.         Supported: replaces, timer
  460.         Alert-Info: <http://127.0.0.1>;info=;info=internal
  461.         Content-Type: application/sdp
  462.         Content-Length: 330
  463.  
  464.         v=0
  465.         o=root 678619286 678619286 IN IP4 172.25.59.164
  466.         s=Asterisk PBX 13.23.1
  467.         c=IN IP4 172.25.59.164
  468.         t=0 0
  469.         m=audio 17626 RTP/AVP 0 8 3 111 101
  470.         a=rtpmap:0 PCMU/8000
  471.         a=rtpmap:8 PCMA/8000
  472.         a=rtpmap:3 GSM/8000
  473.         a=rtpmap:111 G726-32/8000
  474.         a=rtpmap:101 telephone-event/8000
  475.         a=fmtp:101 0-16
  476.         a=ptime:20
  477.         a=maxptime:150
  478.         a=sendrecv
  479.  
  480. 17:15:29.526865 IP (tos 0x60, ttl 64, id 1468, offset 0, flags [none], proto UDP (17), length 985)
  481.     172.25.59.164.sip > 172.25.59.229.59066: SIP, length: 957
  482.         INVITE sip:104@172.25.59.229:59066 SIP/2.0
  483.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK1a81bc0a
  484.         Max-Forwards: 70
  485.         From: "109" <sip:109@172.25.59.164>;tag=as49973b36
  486.         To: <sip:104@172.25.59.229:59066>
  487.         Contact: <sip:109@172.25.59.164:5060>
  488.         Call-ID: 2a50f5613cb73f3a4188bf6071cd3a37@172.25.59.164:5060
  489.         CSeq: 102 INVITE
  490.         User-Agent: FPBX-13.0.197(13.23.1)
  491.         Date: Thu, 15 Aug 2019 21:15:26 GMT
  492.         Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
  493.         Supported: replaces, timer
  494.         Alert-Info: <http://127.0.0.1>;info=;info=internal
  495.         Content-Type: application/sdp
  496.         Content-Length: 330
  497.  
  498.         v=0
  499.         o=root 678619286 678619286 IN IP4 172.25.59.164
  500.         s=Asterisk PBX 13.23.1
  501.         c=IN IP4 172.25.59.164
  502.         t=0 0
  503.         m=audio 17626 RTP/AVP 0 8 3 111 101
  504.         a=rtpmap:0 PCMU/8000
  505.         a=rtpmap:8 PCMA/8000
  506.         a=rtpmap:3 GSM/8000
  507.         a=rtpmap:111 G726-32/8000
  508.         a=rtpmap:101 telephone-event/8000
  509.         a=fmtp:101 0-16
  510.         a=ptime:20
  511.         a=maxptime:150
  512.         a=sendrecv
  513.  
  514. 17:15:31.948950 IP (tos 0x60, ttl 64, id 1469, offset 0, flags [none], proto UDP (17), length 584)
  515.     172.25.59.164.sip > 172.25.59.229.59066: SIP, length: 556
  516.         OPTIONS sip:104@172.25.59.229:59066 SIP/2.0
  517.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK113c43c8
  518.         Max-Forwards: 70
  519.         From: "Unknown" <sip:Unknown@172.25.59.164>;tag=as63703f65
  520.         To: <sip:104@172.25.59.229:59066>
  521.         Contact: <sip:Unknown@172.25.59.164:5060>
  522.         Call-ID: 7934f86234739a631bbf032a4bbab3e1@172.25.59.164:5060
  523.         CSeq: 102 OPTIONS
  524.         User-Agent: FPBX-13.0.197(13.23.1)
  525.         Date: Thu, 15 Aug 2019 21:15:31 GMT
  526.         Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
  527.         Supported: replaces, timer
  528.         Content-Length: 0
  529.  
  530.  
  531. 17:15:31.955722 IP (tos 0x30, ttl 64, id 40313, offset 0, flags [none], proto UDP (17), length 482)
  532.     172.25.59.229.59066 > 172.25.59.164.sip: SIP, length: 454
  533.         SIP/2.0 200 OK
  534.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK113c43c8
  535.         From: "Unknown" <sip:Unknown@172.25.59.164>;tag=as63703f65
  536.         To: <sip:104@172.25.59.229:59066>;tag=691049150
  537.         Call-ID: 7934f86234739a631bbf032a4bbab3e1@172.25.59.164:5060
  538.         CSeq: 102 OPTIONS
  539.         Supported: replaces, path, timer
  540.         User-Agent: Grandstream GXP1628 1.0.4.17
  541.         Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
  542.         Content-Length: 0
  543.  
  544.  
  545. 17:15:32.727296 IP (tos 0x60, ttl 64, id 1470, offset 0, flags [none], proto UDP (17), length 985)
  546.     172.25.59.164.sip > 172.25.59.229.59066: SIP, length: 957
  547.         INVITE sip:104@172.25.59.229:59066 SIP/2.0
  548.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK1a81bc0a
  549.         Max-Forwards: 70
  550.         From: "109" <sip:109@172.25.59.164>;tag=as49973b36
  551.         To: <sip:104@172.25.59.229:59066>
  552.         Contact: <sip:109@172.25.59.164:5060>
  553.         Call-ID: 2a50f5613cb73f3a4188bf6071cd3a37@172.25.59.164:5060
  554.         CSeq: 102 INVITE
  555.         User-Agent: FPBX-13.0.197(13.23.1)
  556.         Date: Thu, 15 Aug 2019 21:15:26 GMT
  557.         Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
  558.         Supported: replaces, timer
  559.         Alert-Info: <http://127.0.0.1>;info=;info=internal
  560.         Content-Type: application/sdp
  561.         Content-Length: 330
  562.  
  563.         v=0
  564.         o=root 678619286 678619286 IN IP4 172.25.59.164
  565.         s=Asterisk PBX 13.23.1
  566.         c=IN IP4 172.25.59.164
  567.         t=0 0
  568.         m=audio 17626 RTP/AVP 0 8 3 111 101
  569.         a=rtpmap:0 PCMU/8000
  570.         a=rtpmap:8 PCMA/8000
  571.         a=rtpmap:3 GSM/8000
  572.         a=rtpmap:111 G726-32/8000
  573.         a=rtpmap:101 telephone-event/8000
  574.         a=fmtp:101 0-16
  575.         a=ptime:20
  576.         a=maxptime:150
  577.         a=sendrecv
  578.  
  579. 17:15:32.837628 IP (tos 0x60, ttl 64, id 1471, offset 0, flags [none], proto UDP (17), length 698)
  580.     172.25.59.164.sip > 172.25.59.229.59066: SIP, length: 670
  581.         NOTIFY sip:104@172.25.59.229:59066 SIP/2.0
  582.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK2b2524dd;rport
  583.         Max-Forwards: 70
  584.         From: <sip:104@172.25.59.164>;tag=as624a00cb
  585.         To: <sip:104@172.25.59.164>;tag=750432846
  586.         Contact: <sip:104@172.25.59.164:5060>
  587.         Call-ID: 848781887-59066-225@BHC.CF.FJ.CCJ
  588.         CSeq: 1019 NOTIFY
  589.         User-Agent: FPBX-13.0.197(13.23.1)
  590.         Subscription-State: active
  591.         Event: dialog
  592.         Content-Type: application/dialog-info+xml
  593.         Content-Length: 206
  594.  
  595.         <?xml version="1.0"?>\0x0a<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="917" state="full" entity="sip:104@172.25.59.164">\0x0a<dialog id="104">\0x0a<state>terminated</state>\0x0a</dialog>\0x0a</dialog-info>[|sip]
  596. 17:15:32.842956 IP (tos 0x60, ttl 64, id 33852, offset 0, flags [none], proto UDP (17), length 699)
  597.     172.25.59.164.sip > 172.25.59.198.16692: SIP, length: 671
  598.         NOTIFY sip:109@172.25.59.198:16692 SIP/2.0
  599.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK2926fef5;rport
  600.         Max-Forwards: 70
  601.         From: <sip:104@172.25.59.164>;tag=as4304a19f
  602.         To: <sip:109@172.25.59.164>;tag=1640136391
  603.         Contact: <sip:104@172.25.59.164:5060>
  604.         Call-ID: 1841231122-16692-10@BHC.CF.FJ.BJI
  605.         CSeq: 1019 NOTIFY
  606.         User-Agent: FPBX-13.0.197(13.23.1)
  607.         Subscription-State: active
  608.         Event: dialog
  609.         Content-Type: application/dialog-info+xml
  610.         Content-Length: 206
  611.  
  612.         <?xml version="1.0"?>\0x0a<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="917" state="full" entity="sip:104@172.25.59.164">\0x0a<dialog id="104">\0x0a<state>terminated</state>\0x0a</dialog>\0x0a</dialog-info>[|sip]
  613. 17:15:32.847914 IP (tos 0x30, ttl 64, id 40314, offset 0, flags [none], proto UDP (17), length 495)
  614.     172.25.59.229.59066 > 172.25.59.164.sip: SIP, length: 467
  615.         SIP/2.0 200 OK
  616.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK2b2524dd;rport=5060
  617.         From: <sip:104@172.25.59.164>;tag=as624a00cb
  618.         To: <sip:104@172.25.59.164>;tag=750432846
  619.         Call-ID: 848781887-59066-225@BHC.CF.FJ.CCJ
  620.         CSeq: 1019 NOTIFY
  621.         Contact: <sip:104@172.25.59.229:59066>
  622.         Supported: replaces, path, timer
  623.         User-Agent: Grandstream GXP1628 1.0.4.17
  624.         Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
  625.         Content-Length: 0
  626.  
  627.  
  628. 17:15:32.852791 IP (tos 0x68, ttl 64, id 42522, offset 0, flags [none], proto UDP (17), length 496)
  629.     172.25.59.198.16692 > 172.25.59.164.sip: SIP, length: 468
  630.         SIP/2.0 200 OK
  631.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK2926fef5;rport=5060
  632.         From: <sip:104@172.25.59.164>;tag=as4304a19f
  633.         To: <sip:109@172.25.59.164>;tag=1640136391
  634.         Call-ID: 1841231122-16692-10@BHC.CF.FJ.BJI
  635.         CSeq: 1019 NOTIFY
  636.         Contact: <sip:109@172.25.59.198:16692>
  637.         Supported: replaces, path, timer
  638.         User-Agent: Grandstream GXP1628 1.0.4.55
  639.         Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
  640.         Content-Length: 0
  641.  
  642.  
  643. 17:15:32.905765 IP (tos 0x60, ttl 64, id 33853, offset 0, flags [none], proto UDP (17), length 952)
  644.     172.25.59.164.sip > 172.25.59.198.16692: SIP, length: 924
  645.         SIP/2.0 200 OK
  646.         Via: SIP/2.0/UDP 172.25.59.198:16692;branch=z9hG4bK1195671337;received=172.25.59.198;rport=16692
  647.         From: "109" <sip:109@172.25.59.164>;tag=793769793
  648.         To: <sip:104@172.25.59.164>;tag=as40d2049d
  649.         Call-ID: 1328343243-16692-56@BHC.CF.FJ.BJI
  650.         CSeq: 451 INVITE
  651.         Server: FPBX-13.0.197(13.23.1)
  652.         Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
  653.         Supported: replaces, timer
  654.         Session-Expires: 1800;refresher=uas
  655.         Contact: <sip:104@172.25.59.164:5060>
  656.         P-Asserted-Identity: "104" <sip:104@172.25.59.164>
  657.         Content-Type: application/sdp
  658.         Require: timer
  659.         Content-Length: 303
  660.  
  661.         v=0
  662.         o=root 396305819 396305819 IN IP4 172.25.59.164
  663.         s=Asterisk PBX 13.23.1
  664.         c=IN IP4 172.25.59.164
  665.         t=0 0
  666.         m=audio 16840 RTP/AVP 0 8 2 101
  667.         a=rtpmap:0 PCMU/8000
  668.         a=rtpmap:8 PCMA/8000
  669.         a=rtpmap:2 G726-32/8000
  670.         a=rtpmap:101 telephone-event/8000
  671.         a=fmtp:101 0-16
  672.         a=ptime:20
  673.         a=maxptime:150
  674.         a=sendrecv
  675.  
  676. 17:15:32.930561 IP (tos 0x68, ttl 64, id 42523, offset 0, flags [none], proto UDP (17), length 561)
  677.     172.25.59.198.16692 > 172.25.59.164.sip: SIP, length: 533
  678.         ACK sip:104@172.25.59.164:5060 SIP/2.0
  679.         Via: SIP/2.0/UDP 172.25.59.198:16692;branch=z9hG4bK244678278;rport
  680.         From: "109" <sip:109@172.25.59.164>;tag=793769793
  681.         To: <sip:104@172.25.59.164>;tag=as40d2049d
  682.         Call-ID: 1328343243-16692-56@BHC.CF.FJ.BJI
  683.         CSeq: 451 ACK
  684.         Contact: <sip:109@172.25.59.198:16692>
  685.         X-Grandstream-PBX: true
  686.         Max-Forwards: 70
  687.         Supported: replaces, path, timer
  688.         User-Agent: Grandstream GXP1628 1.0.4.55
  689.         Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
  690.         Content-Length: 0
  691.  
  692.  
  693. 17:15:40.655564 IP (tos 0x60, ttl 64, id 1472, offset 0, flags [none], proto UDP (17), length 700)
  694.     172.25.59.164.sip > 172.25.59.229.59066: SIP, length: 672
  695.         NOTIFY sip:104@172.25.59.229:59066 SIP/2.0
  696.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK263c23e4;rport
  697.         Max-Forwards: 70
  698.         From: <sip:108@172.25.59.164>;tag=as64a725e6
  699.         To: <sip:104@172.25.59.164>;tag=1027093110
  700.         Contact: <sip:108@172.25.59.164:5060>
  701.         Call-ID: 1097792162-59066-224@BHC.CF.FJ.CCJ
  702.         CSeq: 1525 NOTIFY
  703.         User-Agent: FPBX-13.0.197(13.23.1)
  704.         Subscription-State: active
  705.         Event: dialog
  706.         Content-Type: application/dialog-info+xml
  707.         Content-Length: 206
  708.  
  709.         <?xml version="1.0"?>\0x0a<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="1423" state="full" entity="sip:108@172.25.59.164">\0x0a<dialog id="108">\0x0a<state>confirmed</state>\0x0a</dialog>\0x0a</dialog-info>[|sip]
  710. 17:15:40.657355 IP (tos 0x60, ttl 64, id 33854, offset 0, flags [none], proto UDP (17), length 697)
  711.     172.25.59.164.sip > 172.25.59.198.16692: SIP, length: 669
  712.         NOTIFY sip:109@172.25.59.198:16692 SIP/2.0
  713.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK30da024d;rport
  714.         Max-Forwards: 70
  715.         From: <sip:108@172.25.59.164>;tag=as4f2c4973
  716.         To: <sip:109@172.25.59.164>;tag=329843314
  717.         Contact: <sip:108@172.25.59.164:5060>
  718.         Call-ID: 1099823425-16692-9@BHC.CF.FJ.BJI
  719.         CSeq: 1525 NOTIFY
  720.         User-Agent: FPBX-13.0.197(13.23.1)
  721.         Subscription-State: active
  722.         Event: dialog
  723.         Content-Type: application/dialog-info+xml
  724.         Content-Length: 206
  725.  
  726.         <?xml version="1.0"?>\0x0a<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="1423" state="full" entity="sip:108@172.25.59.164">\0x0a<dialog id="108">\0x0a<state>confirmed</state>\0x0a</dialog>\0x0a</dialog-info>[|sip]
  727. 17:15:40.665604 IP (tos 0x30, ttl 64, id 40315, offset 0, flags [none], proto UDP (17), length 497)
  728.     172.25.59.229.59066 > 172.25.59.164.sip: SIP, length: 469
  729.         SIP/2.0 200 OK
  730.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK263c23e4;rport=5060
  731.         From: <sip:108@172.25.59.164>;tag=as64a725e6
  732.         To: <sip:104@172.25.59.164>;tag=1027093110
  733.         Call-ID: 1097792162-59066-224@BHC.CF.FJ.CCJ
  734.         CSeq: 1525 NOTIFY
  735.         Contact: <sip:104@172.25.59.229:59066>
  736.         Supported: replaces, path, timer
  737.         User-Agent: Grandstream GXP1628 1.0.4.17
  738.         Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
  739.         Content-Length: 0
  740.  
  741.  
  742. 17:15:40.673643 IP (tos 0x68, ttl 64, id 42525, offset 0, flags [none], proto UDP (17), length 494)
  743.     172.25.59.198.16692 > 172.25.59.164.sip: SIP, length: 466
  744.         SIP/2.0 200 OK
  745.         Via: SIP/2.0/UDP 172.25.59.164:5060;branch=z9hG4bK30da024d;rport=5060
  746.         From: <sip:108@172.25.59.164>;tag=as4f2c4973
  747.         To: <sip:109@172.25.59.164>;tag=329843314
  748.         Call-ID: 1099823425-16692-9@BHC.CF.FJ.BJI
  749.         CSeq: 1525 NOTIFY
  750.         Contact: <sip:109@172.25.59.198:16692>
  751.         Supported: replaces, path, timer
  752.         User-Agent: Grandstream GXP1628 1.0.4.55
  753.         Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE
  754.         Content-Length: 0
RAW Paste Data
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