NEC COIB(4)-U20 ETU Card

The NEC COIB(4)-U20 ETU detects Caller ID signals from the central office and sends them to the Main Processor.


The NEC COIB(4)-U20 ETU card supports 4 outside (CO/PBX) lines and contains a fax branch connection. Loop start trunks only. CAMA & E911 supported.

One Year Warranty



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