Key Features:
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Mfr. Part #: 700417405
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Connects to IP500 base card - When connected to IP500 base card, it provides 4 loop-start analog trunk ports
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Also provides DTMF, caller ID (ICLID), busy tone detection
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Adjustable echo cancellation - Selectable to Off, 8, 16, 32, 64, and 128 milliseconds
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Power Failure Transfer - When fitted to an IP500 analog phone base card. During power failure, the first extension port (port 1) is connected to the first analog trunk (port 9)
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Maximum - 4 per IP500 control unit
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Compatibility: Only compatible with IP Office 8.1.63 (Feature Pack 1) or higher; Requires an IP500 Digital Station 8, Analog Phone 2, Analog Phone 8, ETR 6, TCM 8, VCM 32, or VCM 64 base card with empty daughter card slot
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