# 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-b007zllh22

**Plantronics - Electronic Hook Switch Cable APP-51 (Poly) - Remote Desk Phone Call Control - Works with Poly Desk Phones** sells for about **$33.95** 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-b007zllh22

## Value

| Condition | Value (USD) |
| --- | --- |
| New / Sealed | $33.95 |

Values are medians of real closed eBay sales, updated 2026-07-16. 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 | Plantronics |
| Category | Electronics |

## About

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

This accessory is sought by users needing to integrate specific call control functions with their Poly desk phone systems.

The resale value is influenced by the item's condition and whether it is complete and functional.

## FAQ

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

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

**What factors affect the resale value of this cable?**

Resale value is determined by the item's condition and its completeness.

**Is this cable compatible with all Poly Desk Phones?**

It is specified as working with Poly Desk Phones.

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Full price guide: https://junkpal.ai/products/plantronics-electronic-hook-switch-cable-app-51-poly-remote-desk-phone-b007zllh22
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-16, based on real sold listings (junkpal.ai)"