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MAIRDI Telephone Headset with Noise Cancelling Microphone & HIS Cable for Avaya IP 1608 1616 9601 9608 9611 9611G 9620 9621 9630 9631 9640 9641 9650 9670 J139: Amazon.co.uk: Electronics & Photo
Avaya J179 IP Phone Headset - EAR-PRO710
Headsets for Avaya Phones - Avaya Compatible headsets – Headsets4business
Avaya J169 IP Phone Headset - PRO 710D
Professional Single Ear Noise Cancelling Office/Call Centre Headset With HIS Bottom Cable For Avaya IP 1608, 1616, 9601, 9608, 9611, 9611G, 9620, 9620C, 9620L, 9621, 9630, 9640 + many more : Amazon.co.uk: Electronics & Photo