# Plantronics - Electronic Hook Switch Cable APP-51 (Poly) - Remote Desk Phone Call Control - Works with Poly Desk Phones — resale value

Source: JunkPal price guide — https://junkpal.ai/products/plantronics-electronic-hook-switch-cable-app-51-poly-remote-desk-phone-b007pu2je8

**Plantronics - Electronic Hook Switch Cable APP-51 (Poly) - Remote Desk Phone Call Control - Works with Poly Desk Phones** sells for about **$37.99** new or sealed, based on real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/plantronics-electronic-hook-switch-cable-app-51-poly-remote-desk-phone-b007pu2je8

## Value

| Condition | Value (USD) |
| --- | --- |
| New / Sealed | $37.99 |

Values are medians of real closed eBay sales, updated 2026-07-22. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DPlantronics%2520APP-51%2520electronic%2520hook%2520switch%2520cable%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DPlantronics%2520APP-51%2520electronic%2520hook%2520switch%2520cable%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

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## Details

| Field | Value |
| --- | --- |
| Brand | Poly |
| Category | Electronics |

## About

The Plantronics APP-51 is an electronic hook switch cable designed for remote desk phone call control. It is compatible with Poly Desk Phones.

This accessory is sought by users who require external control capabilities for their Poly desk phone systems.

Resale value is influenced by the item's physical condition and completeness.

## FAQ

**What is the APP-51 used for?**

The APP-51 is an electronic hook switch cable that provides remote desk phone call control.

**Which phones does this cable work with?**

This accessory is specifically designed to work with Poly Desk Phones.

**What affects the resale value of this item?**

The condition and completeness of the Plantronics APP-51 are the factors that drive its resale value.

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Full price guide: https://junkpal.ai/products/plantronics-electronic-hook-switch-cable-app-51-poly-remote-desk-phone-b007pu2je8
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-22, based on real sold listings (junkpal.ai)"