2019-03-11 UTC
# 
Loqi OPTIONS sip:100@45.79.97.238 SIP/2.0
Via: SIP/2.0/UDP 185.53.88.125:6156;branch=z9hG4bK-459381925;rport
Content-Length: 0
From: "sipvicious"<sip:100@1.1.1.1>;tag=3264346636316565633965610131303732373638313138
Accept: application/sdp
User-Agent: friendly-scanner
To: "sipvicious"<sip:100@1.1.1.1>
Contact: sip:100@185.53.88.125:6156
CSeq: 1 OPTIONS
Call-ID: 407043041710536107548354
Max-Forwards: 70