PC Headset to RJ9/RJ10 Adapter - Dual 3.5mm to RJ9 Headset Adapter, Not RJ11

RJ9 To Dual 3.5mm Female Connector Cable
Usage : Connect your Telephone to Headset (Headphone with Microphone) by using this Connector Cable. Thus creating handsfree operation & calls are easier to take. 

• Convert two 3.5mm plugs to single 4P4C RJ9/RJ10 handset plug
• Save money by buying PC headsets to use with your Aastra and Avaya office phone's handset jack
• Reduce clutter with single headset
• Works with mono and stereo PC headsets!
• NOT FOR CISCO

A big productivity enhancer for home businesses, call centers, sales people, or anyone who is on the phone all the time, and wants to use a lower cost or more comfortable PC headset. 

Specs: This amazing adaptor converts the standard headset 3.5mm mic/audio plugs to a standard RJ9, RJ10, or RJ22 handset plug, allowing you to use your favorite computer/laptop headset with your IP phone. This adapter is designed for use with headsets that have two 3.5 mm. plugs; one for the microphone and one for the headphones/earpiece(s). The adapter outputs binaural sound for stereo headsets, meaning you will hear sound out of both ears. The adapter cable is approximately five inches long. All Headset Buddy products are EU RoHS Compliant.

Aastra/Packet8/8x8 

AltiGen IP Phone
Avaya 4600 Series IP

Beetel
ESI 48-Key IP Feature Phone and 48-Key Digital Feature Phone
GE Model 2-9451
Inter-Tel
Mitel IP 
NEC
Norstar
Nortel IP 1120E IP, 1140E IP, 1150E IP, i2002 and i2004
Nortel IP - 1230
Nortel Meridian Norstar Northern Telecom: T7316, T7316E, M7310, M7208, M7308, M7316, M7324, M7900, M2216, M3903, M3904, M3905, M5208, M5209, M5216, M5317, M8001, M8003, SL100, model NTZK23AA, AB: (M2216):ACDI