Combines the PH25-RJ9A of the PH25-RJ9Cisco adapters into one device!
Use your headset with almost any office phone - 8 settings cover most phone models
Converts 2.5mm plug to single 4P4C RJ9/RJ10 headset plug
Works great with most VOIP phones with a RJ9/Rj10/Rj22 headset jack
Does not work with RJ11 jack, which is wider than your headset jack (6 positions vs. 4). RJ11 jack is what is in the wall. RJ9, RJ10, RJ22 are what is on your phone handset or headset.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4.3 inch
Height : 1.5 inch
Length : 4.5 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0.32 ounce (View shipping rates and policies)

ASIN : B01E9IO7M0