To take advantage of the full wideband audio that is offered with the 9600 phones, use the HIS Adapter Cable with your wideband headset. Quick Disconnect (QD) capability allows the headset to detach without losing the call.
Plantronics HIS Avaya Adapter Cable - headset cable
AVAYA 9601 SIP Deskphone, 9608 IP Deskphone, 9610 IP Deskphone, 9611G IP Deskphone, 9620 IP Telephone, 9621G IP Deskphone, 9630 IP Telephone, 9641G IP Deskphone , AVAYA Definity 9631 , AVAYA one-X Deskphone Edition 9610 IP Telephone, 9620 IP Telephone, 9620C IP Telephone, 9620L IP Telephone, 9630 IP Telephone, 9630G IP Telephone, 9640 IP Telephone, 9640G IP Telephone, 9640G IP Telephone w/o faceplate, 9650 IP Telephone, 9650C IP Telephone, 9670G
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