Toshiba DADM-3020 20-Button Add-On Module (Charcoal/Refurbished) NEC A TN772 cannot communicate with

A TN772 cannot communicate with a TN792

Mitel 9109-016-000 SX-200 Digital DTMF RX Module

The Vodavi 48-button digital dss console can be used with any of the Triad S telephone Systems and well as any of the XTS phone systems

Single-line telephone

Combining the DX-80 platform with Comdial's industry-recognized Corporate Office Voice Messaging software makes for a complete small-business telephone solution

Toshiba DADM-3020 20-Button Add-On Module (Charcoal/Refurbished) NEC A TN772 cannot communicate withThe DADM 3020 adds 20 feature buttons to any of the DKT3000 Series phones. The feature buttons can be for line access, direct station selection, or station speed dial. Two DADMs can be attached to a telephone to provide 40 buttons.