`- APP-51 electronic hook switch cable for remote desk phone call control (answer/end)
- Eliminates the need for an HL10 handset lifter
- Works with Polycom desk phones
- Compatible Plantronics headsets include Savi 700 series, CS500 series, and Voyager Legend CS
- Replaces the APS-50 cable and features compatibility with the Plantronics on-line indicator accessory
- Plantronics Part: 38439-11