Sennheiser CEHS-AV 04

I'm selling A NEW Sennheiser CEHS-AV 04 EHS cable, designed for Avaya and Grandstream phones, production code 504589, ensuring seamless electronic hook switch functionality. * EHS cable for Avaya & Grandstream phones * Adapter cable for electronic hook switch * Compatible with Avaya and Grandstream systems * Designed and engineered in Denmark i have dozens of them if you like to get in large quantity i will consider on sale price. This little gadget is like the Rosetta Stone for your headset, translating the language of your phone system into sweet, sweet hands-free freedom. If you're seeing this ad, yes, it's still available!