net-snmp

SNMP:
  Versions:
    3
  Engine Boots: 1
  Engineid Data: 80001f88809b0c755dde3d4767
  Enterprise: 8072
  Engine Time: 1 day, 12:27:31

SIP/2.0 200 OK
Via: SIP/2.0/UDP nm;branch=foo;rport=26810;received=224.192.147.179
From: <sip:nm@nm>;tag=root
To: <sip:nm2@nm2>;tag=1733791652207396
Call-ID: 50000
CSeq: 42 OPTIONS
Reason: SIP ;cause=200 ;text="Unknown"
User-Agent: Synway/5.3.2.1
Supported: eventlist
Allow: INVITE, ACK, CANCEL, OPTIONS, UPDATE, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
Accept: application/sdp
Accept-Language: en
Content-Length: 0