Electronic Hook Switch Cable for remote desk phone call control (answer/end). This cable eliminates the need for a HL10 Handset Lifter. This cable works with Alcatel desk phones and may work with additional manufacturers, check with our Product Configurator for more information. placement Note: The APA-24 EHS cable replaces the APA-23 cable and features compatibility with the Plantronics On-line Indicator accessory.