Short product description:
Yealink QD to RJ9 cord (model 330000008028) is a headset connection cable designed to link compatible QD headset connectors to phone RJ9 ports. It provides a direct wired connection for voice calls, suitable for office telephony, call centers and unified communications setups. Use it to connect Yealink-compatible headsets to desk phones requiring an RJ9 headset jack.