Avaya Definity TN570D Expansion Interface (Refurbished) Samsung 8 lines by 16 stations

8 lines by 16 stations phone system

Do not disturb

Mitel 9400-200-130 SX-2000 Microlite Cabinet

Panasonic Voice Processing Systems bring you advanced voicemail features like Automated Attendant Service

Modular expansion lets you buy only what you need now

Avaya Definity TN570D Expansion Interface (Refurbished) Samsung 8 lines by 16 stationsAvaya Definity TN570D Expansion Interface. More Information Provides interface between the TDM bus and packet bus, and fiber optic links interconnecting cabinets Used in a Port Network (PN) between a PN and another PN in a direct connect system, and between a PN and an SNI in a switch node carrier in a CSS connected system Provides control channel applications and time slot interchanging between the PPN and EPNs Used when ISDN BRI and or ASAI is