;tag=[pid]SIPpTag00[call_number] To: sipp Call-ID: [call_id] CSeq: 1 PUBLISH Max-Forwards: 70 Expire: 60 Event: presence Content-Type: application/pidf+xml Content-Length: [len] open sip:[service]@[local_ip]:[local_port] 2015-09-28T15:49:00Z ]]> ;tag=[pid]SIPpTag00[call_number] To: sipp Call-ID: [call_id]-2 CSeq: 1 PUBLISH Max-Forwards: 70 Expire: 60 Event: presence Content-Type: application/pidf+xml Content-Length: [len] open sip:[service]@[local_ip]:[local_port] 2015-09-28T15:49:00Z ]]>