EPOS Electronic Hook Switch Cable - 3.2 ft RJEPOS Electronic Hook Switch Cable 3. 2 ft RJ 45 RJ 9 Phone Cable for Wireless Headset, IP Phone, Phone, Electronic Hook Switch First End: 1 x RJ 45 Network Male Second End: 1 x RJ 9 Phone Male VPN: VPN: 1000754 SKU: AC169099 UPC: Loading Flexible enough to offer a variety of options to suit a specific need Experience an enhanced voice quality RJ 45 and RJ 9 ports for instant connectivity