"Wideband Headset Compatible with Cisco 79xx IP Phones,Avaya callmaster V and VI(Mod plug wiring:R,M-,M+,R)
Binaural Ear (dual ear)
Quick-disconnect (QD) cord
RJ9 Headset Jack
Hearing...
Plantronics Y-Adapter Training Cable with Mute and QD Clamp - connects two headset tops to a single headset adapter - useful for training purposes and monitoring calls - 27019-03 - 12 Months Limited...