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Amazon.com: HIS-1 Quick Connect Disconnect Cable to RJ9 Plug Adapter Replacement QD Release Coil Cord Extension for Plantronic Headsets Compatible with Avaya IP 1608, 1616, 9610, 9620, 9620L, 9620C, 9630, 9630G : Electronics
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Plantronics Headset Cord - HIS-1 cord with Mute button | For Avaya 1608,1616, 9610, 9620, 9620L, 9620C, 9630, 9630G, 9640, 9640G, 9650, and 9650C IP phones (GTW HIS-1) - Walmart.com
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Amazon.com: Headset Cable Adapter A10-16 Direct Connect Compatible with Plantronics Headsets, GTW 66268-03 by Global Teck, Compatible with EncorePro, Plantronics, Addasound, VXI : Electronics
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Amazon.com: VoiceJoy QD Adapter HIS Cable Compatible with Plantronics Headsets Adapter for Yealink Phones and workable for Avaya IP 1608, 1616, 9601, 9608, 9611, 9611G, 9620, 9631, 9640, 9641, 9650, 9670 : Electronics
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Amazon.com: IPD HIS-02 Cable with QD Adapter and RJ9 Jack is Headset to Compatible Avaya IP1608,1616, 9608G, 9611G,9610, 9620, 9620L, 9620C, 9630, 9630G, 9640, 9640G, 9650, 9670 Phones : Electronics
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Amazon.com: TruVoice HIS Adapter Cable Compatible with All Plantronics and Truvoice QD Headsets - Connects to Avaya 1608 1616 9601 9608 9611 9611G 9620 9620C 9620L 9621 9630 9631 9640 9641 9650 9670, J100 Series : Industrial & Scientific
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