What the heck is a Headset Buddy?


I know, I know... seems fake.

But it’s definitely a real thing we sell on Amazon. Promise.

Here’s the compat info per amazon.

It’s an adaptor that converts a 2.5mm headset to an RJ9! It is only recommended from amplifiers. Customers trying it through the headset jack are doing so at their own risk!

Here is a quick compat guide from Amazon:


** Functions best when paired with an amplifier.

This list (updated 10/1/2016) 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.

Incompatible Phones:

Avaya 2410, 1600 and 9600 series

Cisco phones

Nortel 1140T and Visa 350

Polycom phones

Uniden Dect2088, TRU9496

Compatible Phones:


AltiGen IP Phone 500, 510, 600, 705, 710, 720

Avaya 4600 Series IP

ESI 48-Key IP Feature Phone and 48-Key Digital Feature Phone

GE Model 2-9451


Lucent 8410D

Mitel IP

NEC Dterm Series E

Norstar T7316E, M3904

Nortel IP, Nortel IP – 1230, Nortel Meridian Norstar Northern Telecom

Panasonic Hybrid

Plantronics T10

Possum Sero

Shoretel ShorePhone IP models


Talkswitch IP Phone, TS-600


Compatible Amplifiers:

Plantronics S-12, M22, A20, MX10, TSB, AP15