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The 3Com NBX 3105 add on console has fifty programmable buttons reserved for the lines in your system
The Netgear GSM7224 supports Quality of Service protocol for routing traffic sensitive data through the switch first
allows you to program the 22 buttons for line appearances
and requires a BCU to be used in the Total Access 850
ESI 482 2nd Gen Expansion Card IVX S-Class 2 56S (5000-0294) Condition:Refurbished The 3Com NBX 3105 addESI IVX 56S S Class Gen II 4x8x2 Description: The ESI IVX 56S 2nd Gen 4x8x2 is an expansion card designed for the IVX S Class 56S, ESU 50, ESI 50L, and ESI C Plus. This ESI module features four analog trunks, eight digital extensions, and two analog ports for devices such as fax machines, analog phones and modems. ESI IVX 56S Features: 4 Analog Tunks 8 Digital Extensions 2 Analog Ports Compatibility: IVX S Class 56S IVX S Class Gen 2 ESI 50 ESI 50L
