Electronic hook switch cable for remote desk phone call control answerend this cable eliminates the need for a hl10 handset lifter this cable works with a variety of desk phones siemens funwerk auerswald agfeo aastra dtewe and may work with additional manufacturers replacement note the aps 11 ehs cable replaces the aps 10 cable and features compatibility with the plantronics on line indicator accessory compatible with the following telephones funkwerk cs290u cs410 c