Description
Compatible with: most Cisco telephones(with RJ9 Adapter) compatible with other brand telephones: Panasonic, Fujitsu, NEC, Avaya, SAXA…How to Use: 1. Plug the adapter (the headset comes with it) into the phone RJ9 port, then plug the headset into the adapter. 2. If you cannot hear or others cannot hear you, please try to use adapter. How to Adjust Adapter to Best Fit Your Telephone: There is a line sequence switch on the adapter (the numbers 1 – 8). Please try each of the 8 “Channels” until you get clear sound from the headset. Package Includes: 1* RJ9 Telephone Headset1* RJ9 Adapter