U 2015/10/21 08:53:33.427545 10.7.0.109:5060 -> 10.7.0.54:5060 PUBLISH sip:user01@domain.com:5061 SIP/2.0. Via: SIP/2.0/UDP 194.213.29.109;branch=z9hG4bKc0bf.5220e8b2000000000000000000000000.0. To: . From: ;tag=dc193272077e3034e2352f60374fbd88-51e2. CSeq: 10 PUBLISH. Call-ID: 151c497d03f288ff-17786@194.213.29.109. Content-Length: 619. User-Agent: kamailio_proxy. Max-Forwards: 70. Event: dialog. Expires: 126. Content-Type: application/dialog-info+xml. . Trying sip:user02@domain.com:5061 sip:user01@domain.com:5061 U 2015/10/21 08:53:33.430883 10.7.0.54:5060 -> 10.7.0.109:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 194.213.29.109;branch=z9hG4bKc0bf.5220e8b2000000000000000000000000.0;received=10.7.0.109. To: ;tag=145ace6a3d5ec4c1cfd3798362d1102c-03ee. From: ;tag=dc193272077e3034e2352f60374fbd88-51e2. CSeq: 10 PUBLISH. Call-ID: 151c497d03f288ff-17786@194.213.29.109. Expires: 126. SIP-ETag: a.1445282824.23391.695.0. Server: kamailio_presence. Content-Length: 0. . U 2015/10/21 08:53:33.436429 10.7.0.109:5060 -> 10.7.0.54:5060 PUBLISH sip:user01@domain.com:5061 SIP/2.0. Via: SIP/2.0/UDP 10.7.0.109;branch=z9hG4bK656f.5220e8b2000000000000000000000000.0. To: . From: ;tag=dc193272077e3034e2352f60374fbd88-35aa. CSeq: 10 PUBLISH. Call-ID: 151c497d03f288ff-17714@194.213.29.109. Content-Length: 655. User-Agent: kamailio_proxy. Max-Forwards: 70. Event: dialog. Expires: 11. SIP-If-Match: a.1445282824.23391.695.0. Content-Type: application/dialog-info+xml. . terminated sip:user02@domain.com:5061 sip:user01@domain.com:5061 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.7.0.109;branch=z9hG4bK656f.5220e8b2000000000000000000000000.0. To: ;tag=145ace6a3d5ec4c1cfd3798362d1102c-7ef0. From: ;tag=dc193272077e3034e2352f60374fbd88-35aa. CSeq: 10 PUBLISH. Call-ID: 151c497d03f288ff-17714@194.213.29.109. Expires: 11. SIP-ETag: a.1445282824.23393.688.1. Server: kamailio_presence. Content-Length: 0. .