INVITE sip:vivekg@chair.dnrc.bell-labs.com SIP/2.0
  To :
  sip:vivekg@chair.dnrc.bell-labs.com ;    tag    = 1a1b1f1H33n
From   : "J Rosenberg \\\"" <sip:jdrosen@lucent.com>
  ;
 tag = 98asjd8
CaLl-Id
 : 0ha0isndaksdj@10.1.1.1
cseq: 8 INVITE
Via  : SIP   /  2.0/  UDP
  135.180.130.133
Subject :
NewFangledHeader:   newfangled value
 more newfangled value
Content-Type: application/sdp
v:  SIP  / 2.0  / TCP     12.3.4.5   ;
  branch  =   9ikj8  ,
  SIP  /    2.0   / UDP  1.2.3.4   ; hidden
m:"Quoted string \"\"" <sip:jdrosen@bell-labs.com> ; newparam = newvalue ;
  secondparam = secondvalue  ; q = 0.33
  (((nested comments) and (more)))   ,
 tel:4443322