Use your headset with almost any office phone - 8 settings cover most phone models including Cisco Combines the PH25-RJ9A of the PH25-RJ9Cisco adapters! Converts 2.5mm plug to...

Use your 3.5mm headset with almost any office phone - 8 settings cover most phone models including Cisco Combines the PH35-RJ9A of the PH35-RJ9Cisco adapters! Works great with...

Use your headset with almost any office phone - 8 settings cover most phone models Combines our PC35-RJ9A and PC35-RJ9Cisco adapters into one universal! Convert two 3.5mm plugs to...