We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

HP

HP 85Q60#AA APP-51 Electronic Hook Switch Cable telephone accessory

SKU CH-TPDD-GRVVD MPN 85Q60#AA

An electronic hook-switch cable that lets a compatible headset answer and end calls remotely

  • TypeCable
  • Enables remote call control with electronic hook switch
  • Connects Poly headsets directly to compatible desk phones
  • Eliminates need for mechanical handset lifter accessory
  • Black cable design suits professional office environments
  • New condition ensures reliable out-of-box performance

Poly APP-51 Electronic Hook Switch Cable

The Poly APP-51 Electronic Hook Switch Cable connects compatible desk phones to supported wireless headsets for remote call control. It enables users to answer and end calls away from the handset. This accessory is designed for office professionals who need hands-free mobility during the workday.

Black cable with standard connectors

The black cable links the phone and headset base using standard interfaces for reliable signal transmission. It draws minimal power from the phone system during normal operation. No active cooling or fan is required, ensuring silent performance in quiet environments.

TAA compliant cable for secure deployments

The cable meets TAA compliance requirements for government and regulated procurement. Its plug-and-play design simplifies installation without additional software. The durable construction supports daily connection cycles in professional settings.

Highlights

  • Enables remote call control with electronic hook switch
  • Connects Poly headsets directly to compatible desk phones
  • Eliminates need for mechanical handset lifter accessory
  • Black cable design suits professional office environments
  • New condition ensures reliable out-of-box performance

Specifications

BrandPoly
TypeCable
Shipping weight0.09 kg
Package size140 × 91 × 58 mm

Questions about this item

How do I connect the APP-51 cable between my desk phone and headset base?

Plug the cable into the electronic hook switch port on the phone and the matching port on the headset base; the step often missed is ensuring both connectors are fully seated before powering on the devices.

What part of the APP-51 cable is most likely to need replacement after extended use?

The cable itself is the primary wear item; repeated bending or pulling at the connectors can damage the internal wires over time.

What is the first limitation I will hit when using the APP-51 cable continuously on high-volume calls?

The cable length limits how far the headset base can sit from the phone; exceeding that distance strains the connection and may cause intermittent operation.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.