Poly APP-51 is an electronic hook switch cable for remote call control from your desk phone to your wireless headset (answer/end). This cable works with Polycom specific desk phones and may work with additional manufacturers, check with the Poly compatibility guide for more information. Replacement Note: The APP-51 EHS cable replaces the APS-50 cable and features compatibility with the Plantronics On-line Indicator accessory. Part Number: 38439-11.
Electronic Hook Switch for Polycom Phones
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