NEC SL1000 Smart PABX - Voicesource
NEC SL1000 Smart PABX, , Voicesource. Affordability . The all-in-one PABX NEC SL1000 provides hybrid ports that integrate key telephones, single line telephones, facsimiles and more without complex settings, and comes with rich built-in functions that improve the employees’ communication environment, lowering the total cost of ownership.