Reference for “Call Control Requirements in a Voice Browser Framework”

@TechReport{Porter:01:CCR,
  author      = "Brad Porter",
  title       = "Call Control Requirements in a Voice Browser Framework",
  month       = apr,
  note        = "http://www.w3.org/TR/2001/WD-call-control-reqs-20010413/",
  year        = "2001",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}