TY  - BOOK
AU  - 
AU  - Chakraborty, Shyam, Ed.
TI  - IMS multimedia telephony over cellular systems: VoIP evolution in a converged telecommunication world
SN  - 9780470058558
U1  - 621.38456 
PY  - 2007///
CY  - Chichester
PB  - John Wiley & Sons
KW  - Cellular telephone systems
ER  -