---
product_id: 56189946
title: "2.5mm Headset to RJ9 Phone Jack Adapter Compatible with Yealink, Grandstream & Avaya Phones (PH25-RJ9)"
brand: "headset buddy"
price: "$2"
currency: NZD
in_stock: false
reviews_count: 5
url: https://www.desertcart.nz/products/56189946-2-5mm-headset-to-rj9-phone-jack-adapter-compatible-yealink
store_origin: NZ
region: New Zealand
---

# 2.5mm Headset to RJ9 Phone Jack Adapter Compatible with Yealink, Grandstream & Avaya Phones (PH25-RJ9)

**Brand:** headset buddy
**Price:** $2
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** 2.5mm Headset to RJ9 Phone Jack Adapter Compatible with Yealink, Grandstream & Avaya Phones (PH25-RJ9) by headset buddy
- **How much does it cost?** $2 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/56189946-2-5mm-headset-to-rj9-phone-jack-adapter-compatible-yealink)

## Best For

- headset buddy enthusiasts

## Why This Product

- Trusted headset buddy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Why buy an expensive headset just for your office phone? Use the Headset Buddy Adapter and your existing 2.5mm phone headset with office phones that have a headset jack. Save money by using a 2.5mm headset with your phone. This amazing adaptor converts the standard phone headset 2.5mm plug to an RJ9, RJ10, or RJ22 headset plug, allowing you to use your favorite 2.5mm headset with your office phone. The adapter cable is approximately five inches long. COMPATIBLE WITH * This list is not all inclusive. Please look up the specifications on your specific phone to see if it has a RJ9, RJ10, or RJ22 headset jack. Please let us know if you find more compatible phones or incompatible phone models.Only compatible with 2.5mm headsets and some specific phones listed below.Compatible With Phones:AltiGen IP805Avaya 1608, 1616, 9620, 9630, 9640, 9640G and 9650 IP PhonesCisco 7902, 7905, 7905G, 7906G, 7910, 7910+SW 7911, 7912 IP PhonesCortelco Fanvil C58, C58P C62, C66Grandstream GXP14XX, GXP1400 GXP1405 GXP1450GXP2124, GXP2120, GXP2140 GXP2140 GXP2160 GXP2110, GXP2100, GXP2020, GXP2010, GXP1200, GXP280, GXP285, GXV3005, GXV3006, GXV3240 GXV3275 IP PhonesHuawei ET325,ET525Panasonic KX-T Series phones such as: KX-T2260, KX-T2310, KX-T2315, KX-T2365, KX-T2368, KX-T7220, KX-T7230, KX-T7330, KX-T7433, KX-T7625, KX-T7630, KX-T7633, KX-T7636, KX-T7665, KX-T7720, KX-T7730, KX-T7740 and KX-T7750Snom 300, 320,360,370,710, 720,760, 820, 821, 870 SIP-T19P T20P, T21P, T22P, T26P, T28P, T32

## Images

![2.5mm Headset to RJ9 Phone Jack Adapter Compatible with Yealink, Grandstream & Avaya Phones (PH25-RJ9) - Image 1](https://m.media-amazon.com/images/I/519SkntLwfL.jpg)

## Customer Reviews

### ⭐ 1.0 out of 5 stars







  
  
    Didn't work on my Yealink VOIP phone
  

*by K***R on Reviewed in the United States 🇺🇸 on May 20, 2019*

Sound quality was bad, volume was bad, ability to hear and be heard was bad - just a bad product (and I bought 2 and tried them on different phones with different headsets).

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Matched up to the phone and headset, I can ...
  

*by C***D on Reviewed in the United States 🇺🇸 on April 19, 2018*

Matched up to the phone and headset, I can hear them but they can't hear me.  Still trying to figure out what went wrong.

### ⭐ 1.0 out of 5 stars







  
  
    Did not work with my Avaya 9630 phone
  

*by R***R on Reviewed in the United States 🇺🇸 on November 27, 2018*

Just heard very loud static when I connected the headset and should have heard a dial tone.

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**Shop now:** [https://www.desertcart.nz/products/56189946-2-5mm-headset-to-rj9-phone-jack-adapter-compatible-yealink](https://www.desertcart.nz/products/56189946-2-5mm-headset-to-rj9-phone-jack-adapter-compatible-yealink)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-12*