Nortel NTYS22AB70E6 IP 1200 Key Expansion Module Condition:Refurbished The Toshiba DKT2020 SD is

The Toshiba DKT2020 SD is compatible with Toshiba Strata CTX phone systems

Toshiba DDSS2060 Add on Module Description:

These switches support auto sensing capabilities that match either 10Mbps or 100Mbps speed to your device to minimize network conflicts

with simplified wiring and administrative cost benefits

Expandable -- easily add optional external microphones to cover even the largest of rooms

Nortel NTYS22AB70E6 IP 1200 Key Expansion Module Condition:Refurbished The Toshiba DKT2020 SD isNortel NTYS22AB70E6 IP 1200 Key Expansion Module Description: The Nortel 1200 Key Expansion module is an add on for the Nortel 1200 series phones. The NTYS22AB70E6 attached to the side of a phone and provides users with up to an addition 12 programmable keys in a self labeling LCD screen. Up to seven modules are supported by the phones, for an additional 84 programmable buttons. The Nortel 1200 expansion module is ideal for any executive assistant,