SIP/2.0 400 Bad Request
Via: SIP/2.0/UDP nm;branch=foo;rport=26810;received=10.30.254.2
From: <sip:nm@nm>;tag=root
To: <sip:nm2@nm2>;tag=1635849436
Call-ID: 50000
CSeq: 42 OPTIONS
User-Agent: InterVideo UAS/3.0
Content-Length: 0

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

HTTP/1.1 500 Internal Server Error
Access-Control-Allow-Headers: x-requested-with,content-type,x-dss-object-uri,x-dss-object-position,x-dss-next-append-position,x-dss-request-id,x-dss-errcode,x-dss-errmsg,x-dss-request-id,keep-file-open
Access-Control-Allow-Methods: POST,GET,OPTIONS,DELETE
Access-Control-Allow-Origin: *
Access-Control-Expose-Headers: x-requested-with,content-type,x-dss-object-uri,x-dss-object-position,x-dss-next-append-position,x-dss-request-id,x-dss-errcode,x-dss-errmsg,x-dss-request-id
Date: Sun, 21 Apr 2024 22:01:20 GMT
Content-Length: 0