Авторы
George M. Hall Schutter De Helder Kevin Hanegan Jonathan Harris David R. Heise LaFollette Hugh Dafydd Hywel Olivier Hersent Wilson Hugh Featherstone Heidi Piégay Hervé Timothy C. Haas Sendek Herb Schulzrinne Henning Bässler Heinz Yu Han William Horton Panetto Herve Dean M. Harris Orpet Hilary Michael H. Hyman Allan Hackshaw Judith Hendrick Rosemary Hollis