Headset Adapter Cord, Part Number U10P or 27190-01, for Most DeskPhone RJ9 Modular Jack, Compatible with Plantronics Quick Disconnect Headset

If you have a question for compatibility, support@headsetsbank.com will answer in a day. This is a Replacement Cord between Plantronics Headset and Telephone RJ9 Headset Jack on applicable phone. Compatible with Aastra, Polycom All VVX models, AVAYA 1120e, 1140e, 1150e, 1165e, 1200 series, 3903, 3904, 3905 and more Not Compatible with Cisco Phones The black coiled cord has a QuickDisconnect plug on one end and a male modular plug on the other end. The Quick Disconnect Plug on one end connects to a Plantronics Headset's QD, and the male modular plug on the other end connects to the phone's Headset jack or Plantronics S10 S11 S12 T10 too.