EPOS Avaya Electronic Hook Switch Cable CEHS-AV 05 - 3.4 ft (1.03 m) RJ-45/RJ-9/RJ-14 Phone Cable for Phone, Electronic Hook Switch, Headset, IP Phone - First End: 1 x RJ-45 Network - Male, 1 x RJ-9 Phone - Male - Second End: 1 x RJ-9 Phone - Male, 1 x RJ-14 Phone - Male - Black