Review on 🎧 Computer Stereo Headphone Adapter - Dual 3.5mm to Phone Rj9/Rj10 Converter specifically for Cisco IP Phones 7942, 7945, 7960, 7960G, 7961, 8841, and more by Tara Clark

What I received was not made correctly. I was only able to get sound by plugging the TRS headphone plug into the microphone port. But it wasn't just back. No matter whether I inserted the TRS microphone plug into the microphone or headphone jack, no sound came out (could not use the microphone). Maybe it only accepts TS plugs and not TRS? I didn't see anything that indicated this in the description. It could also just be a bad device but I didn't want to risk it so I just sent it back and ordered another model for a few extra dollars with better reviews.