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Power Supplies & Fans
The Total Access 912 provides a T1 connection
The IP 212K features a full duplex speakerphone for superior handsfree communication
323 audio codec to place calls
providing IEEE 802
ESI 48 Key FD DFP Full Duplex Phone (5000-0531) DSS Consoles Power Supplies & FansESI 48 Key DFP FD Phone Description: The ESI 48 Key FD DFP 5000 0531 is the full duplex version of this digital series. The 48 Key FD DFP features thirty programmable buttons, a full duplex speakerphone, backlit LCD display, and much more. These phones are compatible with a wide range of ESI systems, please check compatibility below. ESI 5000 0531 Features: Full Duplex Speakerphone LCD Display Screen LCD (Liquid Crystal Display) Backlit 3 Lines 30
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