It is a kind of training box/monitoring box especially
used in call center with two headset ports and the
ability to mute.
either side, It is specially designed for AT800X
CTI phone.
Specification
Used in Call Center for monitoring or training
One RJ9 cable to connect to headset port
Two headset jacks
Mute button for each of headset jack
Volume control for each of headset jack
Plug and play
Small size