U 192.168.18.70:5060 -> 41.204.103.208:5060 INVITE sip:00900223@sip.malagasy.com:5060;user=phone SIP/2.0. Via: SIP/2.0/UDP 192.168.18.70:5060;branch=z9hG4bK253141985910865875-5479899. From: "900123";tag=c0a80101-539dda. To: . Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 1 INVITE. Max-Forwards: 70. Supported: timer, P-Early-Media, replaces. Session-Expires: 1800. Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,PRACK,SUBSCRIBE,NOTIFY,UPDATE,REFER,REGISTER,INFO. Contact: . User-Agent: THOMSON TB30 hw4 fw1.70.4 00-26-44-30-95-9C. Allow-Events: refer,dialog,message-summary,check-sync,talk,hold. Content-Type: application/sdp. Content-Length: 200. . v=0. o=900123 5479899 5479899 IN IP4 192.168.18.70. s=-. c=IN IP4 192.168.18.70. t=0 0. m=audio 41000 RTP/AVP 0 96. a=rtpmap:0 PCMU/8000. a=rtpmap:96 telephone-event/8000. a=fmtp:96 0-15. a=sendrecv. U 41.204.103.208:5060 -> 192.168.18.70:5060 SIP/2.0 407 Proxy Authentication Required. Via: SIP/2.0/UDP 192.168.18.70:5060;branch=z9hG4bK253141985910865875-5479899;rport=5060. From: "900123";tag=c0a80101-539dda. To: ;tag=765a185808402f302cd268a38711a2f7.d83d. Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 1 INVITE. Proxy-Authenticate: Digest realm="sip.malagasy.com", nonce="T4RHPE+ERhAu5IIDuKMdmUnctaZ2wFaP". Server: kamailio (3.2.0 (i386/linux)). Content-Length: 0. . U 192.168.18.70:5060 -> 41.204.103.208:5060 ACK sip:00900223@sip.malagasy.com:5060;user=phone SIP/2.0. Via: SIP/2.0/UDP 192.168.18.70:5060;branch=z9hG4bK253141985910865875-5479899. From: "900123";tag=c0a80101-539dda. To: ;tag=765a185808402f302cd268a38711a2f7.d83d. Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 1 ACK. Max-Forwards: 70. Allow-Events: refer,dialog,message-summary,check-sync,talk,hold. User-Agent: THOMSON TB30 hw4 fw1.70.4 00-26-44-30-95-9C. Content-Length: 0. . U 192.168.18.70:5060 -> 41.204.103.208:5060 INVITE sip:00900223@sip.malagasy.com:5060;user=phone SIP/2.0. Via: SIP/2.0/UDP 192.168.18.70:5060;branch=z9hG4bK4696915359658103609-5479924. From: "900123";tag=c0a80101-539dda. To: . Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 2 INVITE. Max-Forwards: 70. Supported: timer, P-Early-Media, replaces. Session-Expires: 1800. Proxy-Authorization: Digest username="900123", realm="sip.malagasy.com", nonce="T4RHPE+ERhAu5IIDuKMdmUnctaZ2wFaP", uri="sip:00900223@sip.malagasy.com:5060;user=phone", response="001704b01471a387c112d0252b1db035", algorithm=MD5. Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,PRACK,SUBSCRIBE,NOTIFY,UPDATE,REFER,REGISTER,INFO. Contact: . User-Agent: THOMSON TB30 hw4 fw1.70.4 00-26-44-30-95-9C. Allow-Events: refer,dialog,message-summary,check-sync,talk,hold. Content-Type: application/sdp. Content-Length: 200. . v=0. o=900123 5479899 5479899 IN IP4 192.168.18.70. s=-. c=IN IP4 192.168.18.70. t=0 0. m=audio 41000 RTP/AVP 0 96. a=rtpmap:0 PCMU/8000. a=rtpmap:96 telephone-event/8000. a=fmtp:96 0-15. a=sendrecv. U 41.204.103.208:5060 -> 192.168.18.70:5060 SIP/2.0 100 trying -- your call is important to us. Via: SIP/2.0/UDP 192.168.18.70:5060;branch=z9hG4bK4696915359658103609-5479924;rport=5060. From: "900123";tag=c0a80101-539dda. To: . Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 2 INVITE. Server: kamailio (3.2.0 (i386/linux)). Content-Length: 0. . U 41.204.103.208:5060 -> 192.168.18.74:5060 INVITE sip:900223@192.168.18.74:5060;transport=udp;user=phone SIP/2.0. Record-Route: . Via: SIP/2.0/UDP 41.204.103.208;branch=z9hG4bKd1ed.b5139bc1.0. Via: SIP/2.0/UDP 192.168.18.70:5060;rport=5060;branch=z9hG4bK4696915359658103609-5479924. From: "900123";tag=c0a80101-539dda. To: . Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 2 INVITE. Max-Forwards: 69. Supported: timer, P-Early-Media, replaces. Session-Expires: 1800. Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,PRACK,SUBSCRIBE,NOTIFY,UPDATE,REFER,REGISTER,INFO. Contact: . User-Agent: THOMSON TB30 hw4 fw1.70.4 00-26-44-30-95-9C. Allow-Events: refer,dialog,message-summary,check-sync,talk,hold. Content-Type: application/sdp. Content-Length: 330. . v=0. o=900123 5479899 5479899 IN IP4 41.204.103.2084 41.204.103.2084 41.204.103.208. s=-. c=IN IP4 41.204.103.2084 41.204.103.2084 41.204.103.208. t=0 0. m=audio 416984169841698 RTP/AVP 0 96. a=rtpmap:0 PCMU/8000. a=rtpmap:96 telephone-event/8000. a=fmtp:96 0-15. a=sendrecv. a=nortpproxy:yes. a=nortpproxy:yes. a=nortpproxy:yes. U 192.168.18.74:5060 -> 41.204.103.208:5060 SIP/2.0 488 Not Acceptable Here. Via: SIP/2.0/UDP 41.204.103.208;branch=z9hG4bKd1ed.b5139bc1.0. Via: SIP/2.0/UDP 192.168.18.70:5060;rport=5060;branch=z9hG4bK4696915359658103609-5479924. From: "900123";tag=c0a80101-539dda. To: ;tag=c0a80101-54a931. Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 2 INVITE. Session-Expires: 1800;refresher=uac. Content-Type: application/sdp. Content-Length: 198. . v=0. o=00900223 5548337 5548337 IN IP4 192.168.18.74. s=-. c=IN IP4 192.168.18.74. t=0 0. m=audio 0 RTP/AVP 0 96. a=rtpmap:0 PCMU/8000. a=rtpmap:96 telephone-event/8000. a=fmtp:96 0-15. a=sendrecv. U 41.204.103.208:5060 -> 192.168.18.74:5060 ACK sip:900223@192.168.18.74:5060;transport=udp;user=phone SIP/2.0. Via: SIP/2.0/UDP 41.204.103.208;branch=z9hG4bKd1ed.b5139bc1.0. From: "900123";tag=c0a80101-539dda. To: ;tag=c0a80101-54a931. Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 2 ACK. Max-Forwards: 69. Content-Length: 0. . U 41.204.103.208:5060 -> 192.168.18.70:5060 SIP/2.0 488 Not Acceptable Here. Via: SIP/2.0/UDP 192.168.18.70:5060;rport=5060;branch=z9hG4bK4696915359658103609-5479924. From: "900123";tag=c0a80101-539dda. To: ;tag=c0a80101-54a931. Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 2 INVITE. Session-Expires: 1800;refresher=uac. Content-Type: application/sdp. Content-Length: 198. . v=0. o=00900223 5548337 5548337 IN IP4 192.168.18.74. s=-. c=IN IP4 192.168.18.74. t=0 0. m=audio 0 RTP/AVP 0 96. a=rtpmap:0 PCMU/8000. a=rtpmap:96 telephone-event/8000. a=fmtp:96 0-15. a=sendrecv. U 41.204.103.208:5060 -> 192.168.18.74:5060 .... U 192.168.18.70:5060 -> 41.204.103.208:5060 INVITE sip:00900223@sip.malagasy.com:5060;user=phone SIP/2.0. Via: SIP/2.0/UDP 192.168.18.70:5060;branch=z9hG4bK4696915359658103609-5479924. From: "900123";tag=c0a80101-539dda. To: . Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 2 INVITE. Max-Forwards: 70. Supported: timer, P-Early-Media, replaces. Session-Expires: 1800. Proxy-Authorization: Digest username="900123", realm="sip.malagasy.com", nonce="T4RHPE+ERhAu5IIDuKMdmUnctaZ2wFaP", uri="sip:00900223@sip.malagasy.com:5060;user=phone", response="001704b01471a387c112d0252b1db035", algorithm=MD5. Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,PRACK,SUBSCRIBE,NOTIFY,UPDATE,REFER,REGISTER,INFO. Contact: . User-Agent: THOMSON TB30 hw4 fw1.70.4 00-26-44-30-95-9C. Allow-Events: refer,dialog,message-summary,check-sync,talk,hold. Content-Type: application/sdp. Content-Length: 200. . v=0. o=900123 5479899 5479899 IN IP4 192.168.18.70. s=-. c=IN IP4 192.168.18.70. t=0 0. m=audio 41000 RTP/AVP 0 96. a=rtpmap:0 PCMU/8000. a=rtpmap:96 telephone-event/8000. a=fmtp:96 0-15. a=sendrecv. U 41.204.103.208:5060 -> 192.168.18.70:5060 SIP/2.0 488 Not Acceptable Here. Via: SIP/2.0/UDP 192.168.18.70:5060;rport=5060;branch=z9hG4bK4696915359658103609-5479924. From: "900123";tag=c0a80101-539dda. To: ;tag=c0a80101-54a931. Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 2 INVITE. Session-Expires: 1800;refresher=uac. Content-Type: application/sdp. Content-Length: 198. . v=0. o=00900223 5548337 5548337 IN IP4 192.168.18.74. s=-. c=IN IP4 192.168.18.74. t=0 0. m=audio 0 RTP/AVP 0 96. a=rtpmap:0 PCMU/8000. a=rtpmap:96 telephone-event/8000. a=fmtp:96 0-15. a=sendrecv. U 41.204.103.208:5060 -> 192.168.18.70:5060 SIP/2.0 488 Not Acceptable Here. Via: SIP/2.0/UDP 192.168.18.70:5060;rport=5060;branch=z9hG4bK4696915359658103609-5479924. From: "900123";tag=c0a80101-539dda. To: ;tag=c0a80101-54a931. Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 2 INVITE. Session-Expires: 1800;refresher=uac. Content-Type: application/sdp. Content-Length: 198. . v=0. o=00900223 5548337 5548337 IN IP4 192.168.18.74. s=-. c=IN IP4 192.168.18.74. t=0 0. m=audio 0 RTP/AVP 0 96. a=rtpmap:0 PCMU/8000. a=rtpmap:96 telephone-event/8000. a=fmtp:96 0-15. a=sendrecv. U 192.168.18.74:5060 -> 41.204.103.208:5060 SIP/2.0 488 Not Acceptable Here. Via: SIP/2.0/UDP 41.204.103.208;branch=z9hG4bKd1ed.b5139bc1.0. Via: SIP/2.0/UDP 192.168.18.70:5060;rport=5060;branch=z9hG4bK4696915359658103609-5479924. From: "900123";tag=c0a80101-539dda. To: ;tag=c0a80101-54a931. Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 2 INVITE. Session-Expires: 1800;refresher=uac. Content-Type: application/sdp. Content-Length: 198. . v=0. o=00900223 5548585 5548585 IN IP4 192.168.18.74. s=-. c=IN IP4 192.168.18.74. t=0 0. m=audio 0 RTP/AVP 0 96. a=rtpmap:0 PCMU/8000. a=rtpmap:96 telephone-event/8000. a=fmtp:96 0-15. a=sendrecv. U 41.204.103.208:5060 -> 192.168.18.74:5060 ACK sip:900223@192.168.18.74:5060;transport=udp;user=phone SIP/2.0. Via: SIP/2.0/UDP 41.204.103.208;branch=z9hG4bKd1ed.b5139bc1.0. From: "900123";tag=c0a80101-539dda. To: ;tag=c0a80101-54a931. Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 2 ACK. Max-Forwards: 69. Content-Length: 0. . U 192.168.18.70:5060 -> 41.204.103.208:5060 ACK sip:00900223@sip.malagasy.com:5060;user=phone SIP/2.0. Via: SIP/2.0/UDP 192.168.18.70:5060;branch=z9hG4bK4696915359658103609-5479924. From: "900123";tag=c0a80101-539dda. To: ;tag=c0a80101-54a931. Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 2 ACK. Max-Forwards: 70. Allow-Events: refer,dialog,message-summary,check-sync,talk,hold. Proxy-Authorization: Digest username="900123", realm="sip.malagasy.com", nonce="T4RHPE+ERhAu5IIDuKMdmUnctaZ2wFaP", uri="sip:00900223@sip.malagasy.com:5060;user=phone", response="0800599926268a0ac31d890477a0f27d", algorithm=MD5. User-Agent: THOMSON TB30 hw4 fw1.70.4 00-26-44-30-95-9C. Content-Length: 0. . U 192.168.18.74:5060 -> 41.204.103.208:5060 SIP/2.0 488 Not Acceptable Here. Via: SIP/2.0/UDP 41.204.103.208;branch=z9hG4bKd1ed.b5139bc1.0. Via: SIP/2.0/UDP 192.168.18.70:5060;rport=5060;branch=z9hG4bK4696915359658103609-5479924. From: "900123";tag=c0a80101-539dda. To: ;tag=c0a80101-54a931. Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 2 INVITE. Session-Expires: 1800;refresher=uac. Content-Type: application/sdp. Content-Length: 198. . v=0. o=00900223 5549085 5549085 IN IP4 192.168.18.74. s=-. c=IN IP4 192.168.18.74. t=0 0. m=audio 0 RTP/AVP 0 96. a=rtpmap:0 PCMU/8000. a=rtpmap:96 telephone-event/8000. a=fmtp:96 0-15. a=sendrecv. U 41.204.103.208:5060 -> 192.168.18.74:5060 ACK sip:900223@192.168.18.74:5060;transport=udp;user=phone SIP/2.0. Via: SIP/2.0/UDP 41.204.103.208;branch=z9hG4bKd1ed.b5139bc1.0. From: "900123";tag=c0a80101-539dda. To: ;tag=c0a80101-54a931. Call-ID: 8166a16-c0a80101-0-29@192.168.18.70. CSeq: 2 ACK. Max-Forwards: 69. Content-Length: 0. .