TY  - BOOK
AU  - Wittenberg,Nicholas
TI  - Understanding Voice over IP Technology
SN  - 1435427270
AV  - TK5105.8865 .W58 2009
U1  - 004.695 22
PY  - 2009///
CY  - Clifton Park, NY
PB  - Delmar Cengage Learning, 2009
KW  - Internet telephony
KW  - CS
KW  - April2011
N1  - Includes index
ER  -