Electronic Hook Switch Cable for remote desk phone call control (answer/end). This cable eliminates the need for a HL10 Handset Lifter.\n\nThis cable works with Avaya desk phones and may work with additional manufacturers, check with our Product Configurator for more information.\n\nReplacement Note: The APV-66 EHS cable replaces the APV-65 cable and features compatibility with the Plantronics On-line Indicator accessory.