TY  - GEN
AU  - Hersent, Olivier
AU  - Gurle, David
TI  - IP telephony: packet-based multimedia communications systems 
SN  - 8178082586
U1  - 621.38212,HER 
PY  - 2003///
CY  - Pearson
PB  - New Delhi
KW  - Telecommunication engineering
N1  - Section 1.The Application Layer IP Telephony Protocols (Page-1), Section 2. Voice Technology  Background (Page-195), Section 3. The Network (Page-293).
ER  -