EPOS Electronic Hook Switch Cable - 3.2 ft (0.98 m) RJ-45/RJ-9 Phone CEPOS Electronic Hook Switch Cable 3. 2 ft (0. 98 m) 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: 1000754 SKU: AC166487 UPC: Flexible enough to offer a variety of options to suit a specific need RJ 45 and RJ 9 ports for instant connectivity For exceptional quality, upright compatibility and reliability use this Phone Cable