TY  - BOOK
AU  - Krupinski,Dave
AU  - Schick,Charlie
AU  - McConnell,Brian
TI  - Next generation phone systems: how to choose and implement PBX alternatives 
SN  - 1578200385
AV  - TK6401  .K78 2001
PY  - 2001///
CY  - New York
PB  - CMP books
KW  - Telephone systems
KW  - Telephone
KW  - Private branch exchanges
KW  - Business
KW  - Communication systems
ER  -