# 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-b007ip8nnq

**Plantronics - Electronic Hook Switch Cable APP-51 (Poly) - Remote Desk Phone Call Control - Works with Poly Desk Phones** sells for about **$29.13** 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-b007ip8nnq

## Value

| Condition | Value (USD) |
| --- | --- |
| New / Sealed | $29.13 |

Values are medians of real closed eBay sales, updated 2026-07-23. 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%2520Poly%2520remote%2520desk%2520phone%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%2520Poly%2520remote%2520desk%2520phone%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, and is compatible with Poly Desk Phones.

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

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

## FAQ

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

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

**What kind of phones does this cable work with?**

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

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

The resale value is driven by the item's overall condition and whether it is complete.

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Full price guide: https://junkpal.ai/products/plantronics-electronic-hook-switch-cable-app-51-poly-remote-desk-phone-b007ip8nnq
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-23, based on real sold listings (junkpal.ai)"