Sennheiser CEHS AV 03 Phone Cable (504536) Designed For: Avaya 1403 Digital Deskphone, 1408 Digital Deskphone, 1416 Digital Deskphone, 1692 IP Conference Phone, 9404 Digital Deskphone, 9408 Digital Deskphone, 9504 Digital Deskphone, 9508 Digital Deskphone Product type: Phone cable Made by Sennheiser This is an aftermarket of generic part