U 178.140.2.133:14170 -> 88.198.48.183:5060 INVITE sip:201@sip.flygroup.st SIP/2.0. Via: SIP/2.0/UDP 192.168.1.2:14170;branch=z9hG4bK-d8754z-57994a7b21367a07-1---d8754z-;rport. Max-Forwards: 70. Contact: . To: "201". From: "1004";tag=51caeb43. Call-ID: YTY1ZDFhOTNlNjM3NTM0OWFlMWE0NTljYzM5ZDRlMjA.. CSeq: 1 INVITE. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO. Content-Type: application/sdp. Supported: replaces. User-Agent: X-Lite 4 release 4.1 stamp 63214. Content-Length: 371. . v=0. o=- 12975018042958094 1 IN IP4 192.168.1.2. s=CounterPath X-Lite 4.1. c=IN IP4 192.168.1.2. t=0 0. a=ice-ufrag:0d7dc8. a=ice-pwd:6f9c146d982426d7fb87c05abc5c1415. m=audio 52476 RTP/AVP 8 101. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-15. a=sendrecv. a=candidate:1 1 UDP 659136 192.168.1.2 52476 typ host. a=candidate:1 2 UDP 659134 192.168.1.2 52477 typ host. U 88.198.48.183:5060 -> 178.140.2.133:14170 SIP/2.0 407 Proxy Authentication Required. Via: SIP/2.0/UDP 192.168.1.2:14170;branch=z9hG4bK-d8754z-57994a7b21367a07-1---d8754z-;rport=14170;received=178.140.2.133. To: "201";tag=4cf90b7f894f6efcb610e24626b3f90c.0a79. From: "1004";tag=51caeb43. Call-ID: YTY1ZDFhOTNlNjM3NTM0OWFlMWE0NTljYzM5ZDRlMjA.. CSeq: 1 INVITE. Proxy-Authenticate: Digest realm="88.198.48.183", nonce="T06Ab09Of0NOw+oyLx02bHSckh0HA33a". Server: kamailio (3.2.0 (i386/linux)). Content-Length: 0. . U 178.140.2.133:14170 -> 88.198.48.183:5060 ACK sip:201@sip.flygroup.st SIP/2.0. Via: SIP/2.0/UDP 192.168.1.2:14170;branch=z9hG4bK-d8754z-57994a7b21367a07-1---d8754z-;rport. Max-Forwards: 70. To: "201";tag=4cf90b7f894f6efcb610e24626b3f90c.0a79. From: "1004";tag=51caeb43. Call-ID: YTY1ZDFhOTNlNjM3NTM0OWFlMWE0NTljYzM5ZDRlMjA.. CSeq: 1 ACK. Content-Length: 0. . U 178.140.2.133:14170 -> 88.198.48.183:5060 INVITE sip:201@sip.flygroup.st SIP/2.0. Via: SIP/2.0/UDP 192.168.1.2:14170;branch=z9hG4bK-d8754z-bf1bfc1bb833d2e3-1---d8754z-;rport. Max-Forwards: 70. Contact: . To: "201". From: "1004";tag=51caeb43. Call-ID: YTY1ZDFhOTNlNjM3NTM0OWFlMWE0NTljYzM5ZDRlMjA.. CSeq: 2 INVITE. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO. Content-Type: application/sdp. Proxy-Authorization: Digest username="1004",realm="88.198.48.183",nonce="T06Ab09Of0NOw+oyLx02bHSckh0HA33a",uri="sip:201@sip.flygroup.st",response="27da400b291e6ff4be3c6319badb5f3f",algorithm=MD5. Supported: replaces. User-Agent: X-Lite 4 release 4.1 stamp 63214. Content-Length: 371. . v=0. o=- 12975018042958094 1 IN IP4 192.168.1.2. s=CounterPath X-Lite 4.1. c=IN IP4 192.168.1.2. t=0 0. a=ice-ufrag:0d7dc8. a=ice-pwd:6f9c146d982426d7fb87c05abc5c1415. m=audio 52476 RTP/AVP 8 101. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-15. a=sendrecv. a=candidate:1 1 UDP 659136 192.168.1.2 52476 typ host. a=candidate:1 2 UDP 659134 192.168.1.2 52477 typ host. U 88.198.48.183:5060 -> 178.140.2.133:14170 SIP/2.0 100 trying -- your call is important to us. Via: SIP/2.0/UDP 192.168.1.2:14170;branch=z9hG4bK-d8754z-bf1bfc1bb833d2e3-1---d8754z-;rport=14170;received=178.140.2.133. To: "201". From: "1004";tag=51caeb43. Call-ID: YTY1ZDFhOTNlNjM3NTM0OWFlMWE0NTljYzM5ZDRlMjA.. CSeq: 2 INVITE. Server: kamailio (3.2.0 (i386/linux)). Content-Length: 0. . U 88.198.48.183:5060 -> 213.141.134.77:5060 INVITE sip:201@sip.flygroup.st SIP/2.0. Record-Route: . Via: SIP/2.0/UDP 88.198.48.183;branch=z9hG4bK701a.d21c5d52.0. Via: SIP/2.0/UDP 192.168.1.2:14170;received=178.140.2.133;branch=z9hG4bK-d8754z-bf1bfc1bb833d2e3-1---d8754z-;rport=14170. Max-Forwards: 69. Contact: . To: "201". From: "1004";tag=51caeb43. Call-ID: YTY1ZDFhOTNlNjM3NTM0OWFlMWE0NTljYzM5ZDRlMjA.. CSeq: 2 INVITE. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO. Content-Type: application/sdp. Supported: replaces. User-Agent: X-Lite 4 release 4.1 stamp 63214. Content-Length: 393. P-hint: outgoing call. . v=0. o=- 12975018042958094 1 IN IP4 88.198.48.183. s=CounterPath X-Lite 4.1. c=IN IP4 88.198.48.183. t=0 0. a=ice-ufrag:0d7dc8. a=ice-pwd:6f9c146d982426d7fb87c05abc5c1415. m=audio 42150 RTP/AVP 8 101. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-15. a=sendrecv. a=candidate:1 1 UDP 659136 192.168.1.2 52476 typ host. a=candidate:1 2 UDP 659134 192.168.1.2 52477 typ host. a=nortpproxy:yes. U 88.198.48.183:5060 -> 178.140.2.133:14170 SIP/2.0 500 I'm terribly sorry, server error occurred (6/SL). Via: SIP/2.0/UDP 192.168.1.2:14170;branch=z9hG4bK-d8754z-bf1bfc1bb833d2e3-1---d8754z-;rport=14170;received=178.140.2.133. To: "201";tag=4cf90b7f894f6efcb610e24626b3f90c.92f4. From: "1004";tag=51caeb43. Call-ID: YTY1ZDFhOTNlNjM3NTM0OWFlMWE0NTljYzM5ZDRlMjA.. CSeq: 2 INVITE. Server: kamailio (3.2.0 (i386/linux)). Content-Length: 0. . U 213.141.134.77:5060 -> 88.198.48.183:5060 SIP/2.0 100 Trying. Via: SIP/2.0/UDP 88.198.48.183;branch=z9hG4bK701a.d21c5d52.0;received=88.198.48.183. Via: SIP/2.0/UDP 192.168.1.2:14170;received=178.140.2.133;branch=z9hG4bK-d8754z-bf1bfc1bb833d2e3-1---d8754z-;rport=14170. Record-Route: . From: "1004";tag=51caeb43. To: "201". Call-ID: YTY1ZDFhOTNlNjM3NTM0OWFlMWE0NTljYzM5ZDRlMjA.. CSeq: 2 INVITE. Server: YATE/3.3.3. Content-Length: 0. . U 178.140.2.133:14170 -> 88.198.48.183:5060 ACK sip:201@sip.flygroup.st SIP/2.0. Via: SIP/2.0/UDP 192.168.1.2:14170;branch=z9hG4bK-d8754z-bf1bfc1bb833d2e3-1---d8754z-;rport. Max-Forwards: 70. To: "201";tag=4cf90b7f894f6efcb610e24626b3f90c.92f4. From: "1004";tag=51caeb43. Call-ID: YTY1ZDFhOTNlNjM3NTM0OWFlMWE0NTljYzM5ZDRlMjA.. CSeq: 2 ACK. Content-Length: 0. . U 213.141.134.77:5060 -> 88.198.48.183:5060 SIP/2.0 180 Ringing. Via: SIP/2.0/UDP 88.198.48.183;branch=z9hG4bK701a.d21c5d52.0;received=88.198.48.183. Via: SIP/2.0/UDP 192.168.1.2:14170;received=178.140.2.133;branch=z9hG4bK-d8754z-bf1bfc1bb833d2e3-1---d8754z-;rport=14170. Record-Route: . From: "1004";tag=51caeb43. To: "201";tag=1098842424. Call-ID: YTY1ZDFhOTNlNjM3NTM0OWFlMWE0NTljYzM5ZDRlMjA.. CSeq: 2 INVITE. Server: YATE/3.3.3. Contact: . Allow: ACK, INVITE, BYE, CANCEL, REGISTER, REFER, OPTIONS, INFO. Content-Length: 0. . U 88.198.48.183:5060 -> 178.140.2.133:14170 SIP/2.0 180 Ringing. Via: SIP/2.0/UDP 192.168.1.2:14170;received=178.140.2.133;branch=z9hG4bK-d8754z-bf1bfc1bb833d2e3-1---d8754z-;rport=14170. Record-Route: . From: "1004";tag=51caeb43. To: "201";tag=1098842424. Call-ID: YTY1ZDFhOTNlNjM3NTM0OWFlMWE0NTljYzM5ZDRlMjA.. CSeq: 2 INVITE. Server: YATE/3.3.3. Contact: . Allow: ACK, INVITE, BYE, CANCEL, REGISTER, REFER, OPTIONS, INFO. Content-Length: 0.