TY  - BOOK
AU  - Hersent,Olivier
AU  - Petit,Jean-Pierre
AU  - Gurle,David
TI  - Beyond VoIP protocols : : understanding voice technology and networ king techniques for IP telephony / 
SN  - 0470023627
U1  - 621.382 
PY  - 2005///
CY  - Hoboken, NJ : 
PB  - John Wiley, 
KW  - Internet telephony
KW  - Speech processing systems
N1  -  Includes bibliographical references and index
ER  -