For remote desk phone call control (answer/end). This cable eliminates the need for a HL10 Handset Lifter. Works with a variety of desk phones (Siemens, Funwerk, Auerswald, Agfeo, Aastra, DTeWe) and may work with additional manufacturers, check with our Product Configurator for more information. The APS-11 EHS cable replaces the APS-10 cable and features compatibility with the Plantronics On-line Indicator accessory. Sold by each.