Next generation phone systems : how to choose and implement PBX alternative
Krupinski, DaveSchick, CharlieMcConnell, Brian
Next generation phone systems : how to choose and implement PBX alternative - - New York CMP Books, 2001 - xii,231 p. 23 cm - .
1-57820-038-56
Telephone systems
Electronic Commerce
621.395:681.327.8 Kru
Next generation phone systems : how to choose and implement PBX alternative - - New York CMP Books, 2001 - xii,231 p. 23 cm - .
1-57820-038-56
Telephone systems
Electronic Commerce
621.395:681.327.8 Kru