SIP/2.0 400 Bad Request
Call-ID: 50000
Content-Length: 0
CSeq: 42 OPTIONS
From: <sip:nm@nm>;tag=root
To: <sip:nm2@nm2>;tag=b6a89b7754abe42b6c3eccd7f63b6cd9
User-Agent: InterVideo UAS/3.0
Via: SIP/2.0/UDP nm;rport=26810;received=224.229.209.189;branch=foo

HTTP/1.1 200 OK
Content-Type: text/html
Accept-Ranges: bytes
ETag: "3862127652"
Last-Modified: Mon, 06 Nov 2023 08:41:08 GMT
Content-Length: 135
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Cache-control: no-store;Pragma: no-cache
X-Download-Options: noopen
Content-Security-Policy: style-src 'self' 'unsafe-inline';
Server: HTTP Server 1.0
X-Permitted-Cross-Domain-Policies: master-only
Referrer-Policy: no-referrer-when-downgrade
Date: Thu, 30 May 2024 15:07:44 GMT

HTTP/1.1 404 File not found
Content-Type: text/html
Content-Length: 135
Connection: Close
X-Frame-Options: DENY
Server: spos httpd/4.8

HTTP/1.1 570 Unknown Protocol Request
Content-Length: 0
CFL_Asynch:operation=invalidOperation&session=0&sequence=0&unit=BLS&id=1000