Poly EHS Cable APV-63 for Avaya 9600 and J-Series Phones. (Replaced APV-62)
Electronic Hook Switch Cable for remote desk phone call control. Compatible with Voyager Legend CS, MDA220 USB, CS500/CS500XD series, and SAVI 700 and Savi 8200 series wireless headsets. Also for AVAYA 9600 Series Phones (FOR CS510, CS520, CS530, CS540 AND SAVI W700-M SERIES WIRELESS HEADSETS). These headsets can be found by headset family on our Resource Page.
See Poly EHS Cable Guide
Update: Also includes SAVI 8200 Series.