TY  - BOOK
AU  - Hersent, Olivier.
AU  - Gurle, David.
AU  - Petit, Jean-Pierre.
TI  - IP telephony: packet-based multimedia communications systems 
SN  - 0201619105 :
U1  - 004.6 H572i 2001 22
PY  - 2001///
CY  - Harlow
PB  -  Addison-Wesley
KW  -  Internet telephony., TCP/IP (Computer network protocol)
N1  - Includes bibliographical references and index; CSE
ER  -