0.000000  x.x.x.x -> y.y.y.y SIP Request: INFO sip:23680011@y.y.y.y
  0.000083 y.y.y.y -> x.x.x.x  SIP Status: 403 Unauthorized
 10.718906  x.x.x.x -> y.y.y.y SIP Request: INFO sip:23680011@y.y.y.y
 10.718973 y.y.y.y -> x.x.x.x  SIP Status: 403 Unauthorized
 10.725079  x.x.x.x -> y.y.y.y SIP Request: BYE sip:23680011@y.y.y.y
 10.725146 y.y.y.y -> x.x.x.x  SIP Status: 200 OK