TY  - BOOK
AU  - Hersent, Olivier.
AU  - Gurle,David
AU  - Petit,Jean-Pierre
TI  - IP telephony: packet-based multimedia communications systems 
SN  - 8178082586
U1  - 621.385 21
PY  - 2000///.[Reprinted 2001]
CY  - New Delhi
PB  - Pearson Education Asia
KW  - Internet telephony
KW  - Multimedia systems
KW  - Telecommunication systems
N1  - Includes bibliographical references and index
ER  -