Capacity:D848: 4+16 extendable to 8+48 D168: 4+56 extendable to 16+128D288: 16+56 extendable to 32+256 Features:Account Code Entry Automatically Call Back Back-up Battery Charge System & PC Port CO to CO with Password Class of Services Call Hold...
PABX, PBX, Hybrid Key Telephone Systems, Voicemail Systems, Exchange...
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