# Click here to get the original ethereal capture ! vocal-bad-ack2.cap # Pingtel sends an invite that will get routed to AudioCodes PSTN-GW 1 10.250.250.101 1917 1 10.250.250.201 5060 SIP/SDP Request: INVITE sip:5550101@vocal2.engdomain.com, with session description 2 10.250.250.201 5060 2 10.250.250.101 5060 SIP Status: 100 Trying 3 10.250.250.201 5060 3 10.250.250.201 5070 SIP/SDP Request: INVITE sip:5550101@vocal2.engdomain.com, with session description 4 10.250.250.201 5070 4 10.250.250.201 5060 SIP Status: 302 Moved Temporarily 5 10.250.250.201 5060 5 10.250.250.201 5070 SIP Request: ACK sip:5550101@vocal2.engdomain.com 6 10.250.250.201 5060 6 10.250.250.201 5065 SIP/SDP Request: INVITE sip:95550101@10.250.250.201:5065, with session description 7 10.250.250.201 5065 7 10.250.250.201 5060 SIP Status: 100 Trying 8 10.250.250.201 5065 8 ac104.engdomain.com 5060 SIP/SDP Request: INVITE sip:95550101@10.250.250.104:5060, with session description 9 ac104.engdomain.com 5060 9 10.250.250.201 5065 SIP Status: 180 Ringing 10 10.250.250.201 5065 10 10.250.250.201 5060 SIP Status: 180 Ringing 11 10.250.250.201 5060 11 10.250.250.101 5060 SIP Status: 180 Ringing 12 ac104.engdomain.com 5060 12 10.250.250.201 5065 SIP/SDP Status: 200 OK, with session description 13 10.250.250.201 5065 13 10.250.250.201 5060 SIP/SDP Status: 200 OK, with session description 14 10.250.250.201 5060 14 10.250.250.101 5060 SIP/SDP Status: 200 OK, with session description # Pingtel bug: Pingtel is not building route: header properly. 15 10.250.250.101 1917 15 10.250.250.201 5060 SIP Request: ACK sip:5550101@vocal2.engdomain.com 16 10.250.250.201 5060 16 10.250.250.201 5060 SIP Request: ACK sip:5550101@10.250.250.201:5060;maddr=10.250.250.201 17 10.250.250.201 5060 17 10.250.250.201 5065 SIP Request: ACK sip:95550101@10.250.250.201:5065;maddr=10.250.250.201 18 10.250.250.201 5065 18 10.250.250.201 5060 SIP Status: 401 Unauthorized 19 10.250.250.201 5060 19 10.250.250.201 5060 SIP Status: 401 Unauthorized 20 10.250.250.201 5060 20 10.250.250.101 5060 SIP Status: 401 Unauthorized