interface: eth0 (75.56.10.112/255.255.255.248) filter: ip and ( dst or src 75.56.10.117 ) ### U 75.56.10.117:5060 -> 128.91.3.19:5060 REGISTER sip:128.91.3.19:5060 SIP/2.0..Via: SIP/2.0/UDP 75.56.10.117;branch =z9hG4bK39aa79585738747D..From: "Didama" ;tag=D7AA0 431-39EA81E6..To: ..CSeq: 1 REGISTER..Call-ID: 74b7 92f2-b95e19b7-6bd79dcc@75.56.10.117..Contact: ;met hods="INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER"..User-Agent: PolycomSoundPointIP-SPIP_330-UA/2.1.2.00 49..Max-Forwards: 70..Expires: 1800..Content-Length: 0.... # U 128.91.3.19:5060 -> 75.56.10.117:5060 SIP/2.0 401 Unauthorized..Via: SIP/2.0/UDP 75.56.10.117;branch=z9hG4bK39aa7 9585738747D..From: "Didama" ;tag=D7AA0431-39EA81E6. .To: ;tag=a2752a241ceaf32a054d927ea1432288.1f80..CS eq: 1 REGISTER..Call-ID: 74b792f2-b95e19b7-6bd79dcc@75.56.10.117..WWW-Authe nticate: Digest realm="spongy.net.isc.upenn.edu", nonce="46962857766962a585 4da46a08863f5565a9d4d5"..Server: OpenSER (1.2.1-tls (i386/linux))..Content- Length: 0.... # U 75.56.10.117:5060 -> 128.91.3.19:5060 REGISTER sip:128.91.3.19:5060 SIP/2.0..Via: SIP/2.0/UDP 75.56.10.117;branch =z9hG4bK3a429bebC5452740..From: "Didama" ;tag=D7AA0 431-39EA81E6..To: ..CSeq: 2 REGISTER..Call-ID: 74b7 92f2-b95e19b7-6bd79dcc@75.56.10.117..Contact: ;met hods="INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER"..User-Agent: PolycomSoundPointIP-SPIP_330-UA/2.1.2.00 49..Authorization: Digest username="didama", realm="spongy.net.isc.upenn.ed u", nonce="46962857766962a5854da46a08863f5565a9d4d5", uri="sip:128.91.3.19: 5060", response="7465fafe159e76dcc9ac1a51fe0864f3", algorithm=MD5..Max-Forw ards: 70..Expires: 1800..Content-Length: 0.... # U 75.56.10.117:5060 -> 128.91.3.19:5060 REGISTER sip:128.91.3.19:5060 SIP/2.0..Via: SIP/2.0/UDP 75.56.10.117;branch =z9hG4bK3a429bebC5452740..From: "Didama" ;tag=D7AA0 431-39EA81E6..To: ..CSeq: 2 REGISTER..Call-ID: 74b7 92f2-b95e19b7-6bd79dcc@75.56.10.117..Contact: ;met hods="INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER"..User-Agent: PolycomSoundPointIP-SPIP_330-UA/2.1.2.00 49..Authorization: Digest username="didama", realm="spongy.net.isc.upenn.ed u", nonce="46962857766962a5854da46a08863f5565a9d4d5", uri="sip:128.91.3.19: 5060", response="7465fafe159e76dcc9ac1a51fe0864f3", algorithm=MD5..Max-Forw ards: 70..Expires: 1800..Content-Length: 0.... ### U 75.56.10.117:5060 -> 128.91.3.19:5060 REGISTER sip:128.91.3.19:5060 SIP/2.0..Via: SIP/2.0/UDP 75.56.10.117;branch =z9hG4bK3a429bebC5452740..From: "Didama" ;tag=D7AA0 431-39EA81E6..To: ..CSeq: 2 REGISTER..Call-ID: 74b7 92f2-b95e19b7-6bd79dcc@75.56.10.117..Contact: ;met hods="INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER"..User-Agent: PolycomSoundPointIP-SPIP_330-UA/2.1.2.00 49..Authorization: Digest username="didama", realm="spongy.net.isc.upenn.ed u", nonce="46962857766962a5854da46a08863f5565a9d4d5", uri="sip:128.91.3.19: 5060", response="7465fafe159e76dcc9ac1a51fe0864f3", algorithm=MD5..Max-Forw ards: 70..Expires: 1800..Content-Length: 0.... # U 128.91.3.19:5060 -> 75.56.10.117:5060 SIP/2.0 200 OK..Via: SIP/2.0/UDP 75.56.10.117;branch=z9hG4bK3a429bebC545274 0..From: "Didama" ;tag=D7AA0431-39EA81E6..To: ;tag=a2752a241ceaf32a054d927ea1432288.0fe9..CSeq: 2 REGI STER..Call-ID: 74b792f2-b95e19b7-6bd79dcc@75.56.10.117..Contact: ;expires=1800..Server: OpenSER (1.2.1-tls (i386/linux))..Con tent-Length: 0.... ### U 75.56.10.117:5060 -> 128.91.3.19:5060 REGISTER sip:128.91.3.19:5060 SIP/2.0..Via: SIP/2.0/UDP 75.56.10.117;branch =z9hG4bK6d1348e5C55175DA..From: "Helen" ;tag=C44FAEC E-5AB2DF53..To: ..CSeq: 1 REGISTER..Call-ID: 7f6c731 f-5c2e55b4-57a38299@75.56.10.117..Contact: ;methods ="INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRAC K, UPDATE, REFER"..User-Agent: PolycomSoundPointIP-SPIP_330-UA/2.1.2.0049.. Max-Forwards: 70..Expires: 1800..Content-Length: 0.... # U 128.91.3.19:5060 -> 75.56.10.117:5060 SIP/2.0 401 Unauthorized..Via: SIP/2.0/UDP 75.56.10.117;branch=z9hG4bK6d134 8e5C55175DA..From: "Helen" ;tag=C44FAECE-5AB2DF53..T o: ;tag=a2752a241ceaf32a054d927ea1432288.3e16..CSeq: 1 REGISTER..Call-ID: 7f6c731f-5c2e55b4-57a38299@75.56.10.117..WWW-Authenti cate: Digest realm="spongy.net.isc.upenn.edu", nonce="46962859775679067205f 534c6a194cb70ebb56a"..Server: OpenSER (1.2.1-tls (i386/linux))..Content-Len gth: 0.... # U 75.56.10.117:5060 -> 128.91.3.19:5060 REGISTER sip:128.91.3.19:5060 SIP/2.0..Via: SIP/2.0/UDP 75.56.10.117;branch =z9hG4bK921e6928E7D9F14D..From: "Helen" ;tag=C44FAEC E-5AB2DF53..To: ..CSeq: 2 REGISTER..Call-ID: 7f6c731 f-5c2e55b4-57a38299@75.56.10.117..Contact: ;methods ="INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRAC K, UPDATE, REFER"..User-Agent: PolycomSoundPointIP-SPIP_330-UA/2.1.2.0049.. Authorization: Digest username="helen", realm="spongy.net.isc.upenn.edu", n once="46962859775679067205f534c6a194cb70ebb56a", uri="sip:128.91.3.19:5060" , response="51d5547dbeb2b5fd24b45cdbedb5de86", algorithm=MD5..Max-Forwards: 70..Expires: 1800..Content-Length: 0.... # U 128.91.3.19:5060 -> 75.56.10.117:5060 SIP/2.0 200 OK..Via: SIP/2.0/UDP 75.56.10.117;branch=z9hG4bK921e6928E7D9F14 D..From: "Helen" ;tag=C44FAECE-5AB2DF53..To: ;tag=a2752a241ceaf32a054d927ea1432288.2680..CSeq: 2 REGISTE R..Call-ID: 7f6c731f-5c2e55b4-57a38299@75.56.10.117..Contact: ;expires=1800, ;expires=1305..Server: Op enSER (1.2.1-tls (i386/linux))..Content-Length: 0.... # U 128.91.2.215:5060 -> 75.56.10.117:5060 SUBSCRIBE sip:helen@75.56.10.117 SIP/2.0..Via: SIP/2.0/UDP 128.91.2.215;bra nch=z9hG4bKd0c7.5a0084f5.0..To: sip:helen@75.56.10.117;tag=9470CA55-A1CF477 A..From: sip:helen@128.91.2.215;tag=45cdb744f974e73ed68392c080e87bb4-efe7.. CSeq: 11 SUBSCRIBE..Call-ID: 6dce7017-15909@128.91.2.215..Content-Length: 0 ..User-Agent: OpenSER (1.3.0-dev7-tls (i386/linux))..Event: dialog;sla..Con tact: ..Expires: 1810.... # U 128.91.2.215:5060 -> 75.56.10.117:5060 SUBSCRIBE sip:helen@75.56.10.117 SIP/2.0..Via: SIP/2.0/UDP 128.91.2.215;bra nch=z9hG4bKd0c7.6a0084f5.0..To: sip:helen@75.56.10.117;tag=9470CA55-A1CF477 A..From: sip:helen@128.91.2.215;tag=45cdb744f974e73ed68392c080e87bb4-efe7.. CSeq: 11 SUBSCRIBE..Call-ID: 6dce7017-15909@128.91.2.215..Content-Length: 0 ..User-Agent: OpenSER (1.3.0-dev7-tls (i386/linux))..Event: dialog;sla..Con tact: ..Expires: 1810.... # U 75.56.10.117:5060 -> 128.91.2.215:5060 SIP/2.0 481 Call Leg/Transaction Does Not Exist..Via: SIP/2.0/UDP 128.91.2. 215;branch=z9hG4bKd0c7.5a0084f5.0..From: ;tag=45cdb 744f974e73ed68392c080e87bb4-efe7..To: ;tag=9470CA55 -A1CF477A..CSeq: 11 SUBSCRIBE..Call-ID: 6dce7017-15909@128.91.2.215..Event: dialog;sla..User-Agent: PolycomSoundPointIP-SPIP_330-UA/2.1.2.0049..Conten t-Length: 0.... # U 75.56.10.117:5060 -> 128.91.2.215:5060 SIP/2.0 481 Call Leg/Transaction Does Not Exist..Via: SIP/2.0/UDP 128.91.2. 215;branch=z9hG4bKd0c7.6a0084f5.0..From: ;tag=45cdb 744f974e73ed68392c080e87bb4-efe7..To: ;tag=9470CA55 -A1CF477A..CSeq: 11 SUBSCRIBE..Call-ID: 6dce7017-15909@128.91.2.215..Event: dialog;sla..User-Agent: PolycomSoundPointIP-SPIP_330-UA/2.1.2.0049..Conten t-Length: 0.... # U 128.91.2.215:5060 -> 75.56.10.117:5060 SUBSCRIBE sip:helen@75.56.10.117 SIP/2.0..Via: SIP/2.0/UDP 128.91.2.215;bra nch=z9hG4bKe4a7.075acfd1.0..To: sip:helen@75.56.10.117..From: sip:helen@128 .91.2.215;tag=45cdb744f974e73ed68392c080e87bb4-b1aa..CSeq: 10 SUBSCRIBE..Ca ll-ID: 6dce7032-15909@128.91.2.215..Content-Length: 0..User-Agent: OpenSER (1.3.0-dev7-tls (i386/linux))..Event: dialog;sla..Contact: ..Expires: 1820.... # U 75.56.10.117:5060 -> 128.91.2.215:5060 SIP/2.0 200 OK..Via: SIP/2.0/UDP 128.91.2.215;branch=z9hG4bKe4a7.075acfd1.0 ..From: ;tag=45cdb744f974e73ed68392c080e87bb4-b1aa. .To: ;tag=9986CC2-283D2087..CSeq: 10 SUBSCRIBE..Cal l-ID: 6dce7032-15909@128.91.2.215..Contact: ..Event : dialog;sla..User-Agent: PolycomSoundPointIP-SPIP_330-UA/2.1.2.0049..Expir es: 1820..Content-Length: 0.... # U 75.56.10.117:5060 -> 128.91.3.19:5060 SUBSCRIBE sip:helen@128.91.3.19:5060 SIP/2.0..Via: SIP/2.0/UDP 75.56.10.117 ;branch=z9hG4bK7f0a19cB285D501..From: "Helen" ;tag=C 4C66DB5-246677AA..To: ..CSeq: 1 SUBSCRIBE..Call -ID: 12eefb6-828276bb-91d03f10@75.56.10.117..Contact: ..Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NO TIFY, PRACK, UPDATE, REFER..Event: call-info..User-Agent: PolycomSoundPoint IP-SPIP_330-UA/2.1.2.0049..Max-Forwards: 70..Expires: 1800..Content-Length: 0.... # U 128.91.3.19:5060 -> 75.56.10.117:5060 SUBSCRIBE sip:helen@75.56.10.117 SIP/2.0..Record-Route: ..Via: SIP/2.0/UDP 128.91.3.19;branch=z9hG4bKe65 c.50632aa3.0..Via: SIP/2.0/UDP 75.56.10.117;branch=z9hG4bK7f0a19cB285D501.. From: "Helen" ;tag=C4C66DB5-246677AA..To: ..CSeq: 1 SUBSCRIBE..Call-ID: 12eefb6-828276bb-91d03f10@7 5.56.10.117..Contact: ..Allow: INVITE, ACK, BYE, CA NCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER..Even t: call-info..User-Agent: PolycomSoundPointIP-SPIP_330-UA/2.1.2.0049..Max-F orwards: 70..Expires: 1800..Content-Length: 0.... # U 75.56.10.117:5060 -> 128.91.3.19:5060 SIP/2.0 482 Loop Detected..Via: SIP/2.0/UDP 128.91.3.19;branch=z9hG4bKe65c. 50632aa3.0..Via: SIP/2.0/UDP 75.56.10.117;branch=z9hG4bK7f0a19cB285D501..Fr om: "Helen" ;tag=C4C66DB5-246677AA..To: ..CSeq: 1 SUBSCRIBE..Call-ID: 12eefb6-828276bb-91d03f10@75. 56.10.117..Contact: ..Record-Route: ..Event: call-info..User-Agent: PolycomSound PointIP-SPIP_330-UA/2.1.2.0049..Content-Length: 0.... # U 75.56.10.117:5060 -> 128.91.3.19:5060 SUBSCRIBE sip:helen@128.91.3.19:5060 SIP/2.0..Via: SIP/2.0/UDP 75.56.10.117 ;branch=z9hG4bK7f0a19cB285D501..From: "Helen" ;tag=C 4C66DB5-246677AA..To: ..CSeq: 1 SUBSCRIBE..Call -ID: 12eefb6-828276bb-91d03f10@75.56.10.117..Contact: ..Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NO TIFY, PRACK, UPDATE, REFER..Event: call-info..User-Agent: PolycomSoundPoint IP-SPIP_330-UA/2.1.2.0049..Max-Forwards: 70..Expires: 1800..Content-Length: 0.... # U 75.56.10.117:5060 -> 128.91.3.19:5060 SUBSCRIBE sip:helen@128.91.3.19:5060 SIP/2.0..Via: SIP/2.0/UDP 75.56.10.117 ;branch=z9hG4bK7f0a19cB285D501..From: "Helen" ;tag=C 4C66DB5-246677AA..To: ..CSeq: 1 SUBSCRIBE..Call -ID: 12eefb6-828276bb-91d03f10@75.56.10.117..Contact: ..Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NO TIFY, PRACK, UPDATE, REFER..Event: call-info..User-Agent: PolycomSoundPoint IP-SPIP_330-UA/2.1.2.0049..Max-Forwards: 70..Expires: 1800..Content-Length: 0.... # U 75.56.10.117:5060 -> 128.91.2.215:5060 NOTIFY sip:helen@128.91.2.215 SIP/2.0..Via: SIP/2.0/UDP 75.56.10.117;branch =z9hG4bKf64a21ef2B388184..From: ;tag=9986CC2-283D20 87..To: ;tag=45cdb744f974e73ed68392c080e87bb4-b1aa. .CSeq: 1 NOTIFY..Call-ID: 6dce7032-15909@128.91.2.215..Contact: ..Event: dialog;sla..User-Agent: PolycomSoundPointIP-SPIP_330- UA/2.1.2.0049..Subscription-State: active;expires=1817..Max-Forwards: 70..C ontent-Type: application/dialog-info+xml..Content-Length: 156........ # U 75.56.10.117:5060 -> 128.91.3.19:5060 SUBSCRIBE sip:helen@128.91.3.19:5060 SIP/2.0..Via: SIP/2.0/UDP 75.56.10.117 ;branch=z9hG4bK7f0a19cB285D501..From: "Helen" ;tag=C 4C66DB5-246677AA..To: ..CSeq: 1 SUBSCRIBE..Call -ID: 12eefb6-828276bb-91d03f10@75.56.10.117..Contact: ..Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NO TIFY, PRACK, UPDATE, REFER..Event: call-info..User-Agent: PolycomSoundPoint IP-SPIP_330-UA/2.1.2.0049..Max-Forwards: 70..Expires: 1800..Content-Length: 0.... # U 128.91.2.215:5060 -> 75.56.10.117:5060 SIP/2.0 200 OK..Via: SIP/2.0/UDP 75.56.10.117;branch=z9hG4bKf64a21ef2B38818 4..From: ;tag=9986CC2-283D2087..To: ;tag=45cdb744f974e73ed68392c080e87bb4-b1aa..CSeq: 1 NOTIFY..Call-I D: 6dce7032-15909@128.91.2.215..Server: OpenSER (1.3.0-dev7-tls (i386/linux ))..Content-Length: 0.... # U 128.91.3.19:5060 -> 75.56.10.117:5060 SIP/2.0 482 Loop Detected..Via: SIP/2.0/UDP 75.56.10.117;branch=z9hG4bK7f0a 19cB285D501..From: "Helen" ;tag=C4C66DB5-246677AA..T o: ..CSeq: 1 SUBSCRIBE..Call-ID: 12eefb6-828276 bb-91d03f10@75.56.10.117..Contact: ..Record-Route: ..Event: call-info..User-Agen t: PolycomSoundPointIP-SPIP_330-UA/2.1.2.0049..Content-Length: 0.... exit 147 received, 0 dropped