SIP/2.0 403 SIP request not received from active SIP server
Via: SIP/2.0/UDP nm;branch=foo;rport
From: <sip:nm@nm>;tag=root
To: <sip:nm2@nm2>;tag=b72e12N265fc44ce8-57b954c9
Call-ID: 50000
CSeq: 42 OPTIONS
Content-Length: 0
HTTP/1.0 401 Authorization Required
Server: alphapd
Date: Sun Apr 1 00:14:35 2018
Pragma: no-cache
Cache-Control: no-cache
Content-type: text/html
Content-length: 103
WWW-Authenticate: Basic realm="DCS-933L_16"
HTTP/1.1 200 OK
Set-Cookie: SessionID_R3=RjG35usPSYR3U0blHmSbBzNBwSdHFs0dKMOiK520Na6OAIlr0oe5pQgxW4SIps64Tf1sr8ZNj0DW4Kq9L036ItfjS7Y6gObqQ0edjBlYEWW2WwNXAgv7toNP607INpD; path=/; secure=true; HttpOnly;
Cache-Control: no-cache
Date: Sat, 06 Jan 2018 05:50:40 GMT
Connection: Keep-Alive
Content-Type: text/html; charset=utf-8
Content-Length: 7809
HTTP/1.1 200 OK
Pragma: no-cache
Cache-Control: no-cache
Content-Type: text/html
HTTP/1.1 200 OK
Date: Wed, 24 Aug 2016 01:11:48 GMT
Server: Linux/2.x UPnP/1.0 Avtech/1.0
Connection: close
Last-Modified: Mon, 09 Sep 2013 05:39:01 GMT
Content-Type: text/html
Etag: 225-16273-1378705141
Content-Length: 16273
HTTP/1.1 401 Unauthorized
Connection: Keep-Alive
Content_length: 0
Www_authenticate: Basic realm="HuaweiHomeGateway"