RJ9 (RJ22) Quick Disconnect Cord for use OvisLink Headsets with Avaya (96xx series), Grandstream, Snom and Zultys Phones Quick Disconnect Cord for OvisLink Call Center Headset Compatible with: Avaya 1608, 1616, 9601, 9608, 9608G, 9611G, 9621G, 9641G, 9650G IP Deskphone Panasonic SIP phone: KX-UTG200 KX-UTG300. Grandstream: GXP2160, GXP2140, GXP2130, GXP2124, GXP2120, GXP2110, GXP2100, GXP2020, GXP2010