It does not. I have seen customers use an 8851 or 8861 with a USB-attached speakerphone though. The phone sees it as a headset (I suggest disabling the native phone speakerphone to help users). The Jabra Speak 810 is probably the best example: https://www.jabra.com/business/speakerphones/jabra-speak-series/jabra-speak-810
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