@mastersthesis{ipana-tomindt,
  author = {Tomi Yletyinen},
  title = {The quality of Voice over IP},
  school = {Helsinki University of Technology},
  year = {1998},
  month = {January},
  address = {Helsinki University of Technology, Laboratory of Telecommunications technology, P.O. Box 3000, 02015 HUT, Finland},
  country = {Finland},
}