1. ‘Options for repair of streaming media’, Informational, RFC 2354, IETF, June 1998
2. ‘Resource ReSerVation Protocol (RSVP) – Version 1 functional specification’, Standards Track, RFC 2205, IETF, September 1997
3. Quackenbush, S.R., Barnwell, T.P., and Clements, M.A.: ‘Objective measure of speech quality’, (Prentice Hall NJ 1988)