SIP/2.0 404 Not Found
Via: SIP/2.0/UDP nm:5060;branch=foo;received=224.170.157.169;rport=26810
From: <sip:nm@nm>;tag=root
To: <sip:nm2@nm2>;tag=b72e12N2666189054-d9fef1d
Call-ID: 50000
CSeq: 42 OPTIONS
Accept: multipart/mixed,application/sdp,application/simple-message-summary,application/broadsoft,application/dialog-info+xml,application/simservs+xml,application/vnd.etsi.aoc+xml;sv=2,application/vnd.etsi.aoc+xml;schemaversion=2,application/vnd.etsi.aoc+xml
Allow: INVITE,ACK,CANCEL,BYE,PRACK,UPDATE,SUBSCRIBE
Supported: 100rel,timer
Content-Length: 0

HTTP/1.0 200 OK
Cache-Control:private,max-age=0;
X-Frame-Options:SAMEORIGIN
X-Content-Type-Options:nosniff
X-XSS-Protection:1; mode=block
Content-Security-Policy:default-src 'self' 'unsafe-inline' 'unsafe-eval'
Strict-Transport-Security:max-age=2592000; includeSubdomains
Set-Cookie: lang=eng; path=/;HttpOnly;
Content-type:text/html;charset=UTF-8;