There are many AT&T phone models in the market. Some of them have 2.5mm headset jack, some of them have RJ9 headset jack and some of them support Bluetooth headset.

2.5mm headset jack is round pinhole located at the low right hand side of the phone. RJ9 headset jack is similar as a phone jack located at the back of the phone. (See images below.) The headset images on this page with the connector match with your phone are the compatible headset model for you.

2.5mm Headset Jack and connector	RJ9 Headset Jack and connector

Want wireless headset? If your AT&T phone or Panasonic phone support Bluetooth headset, you may choose OvisLink wireless headsets.

If you prefer corded headset, compatible AT&T phone models are listed below the headset image. Find your phone model on the list, and click at the “Add to Cart” button below to start check out. Or click at the headset image to see more product information before you place an order.

AT&T telephone models have 2.5mm headset jack: ML17929, ML17939, 1040, 1070, 1080, 944, 945, 955, 964, 974, 984, 983, 993. OvisLink headset models OVHS072-ATT (single ear) and OVHS084-ATT (dual ear) are compatible with these AT&T telephone models.

AT&T Home Office Phones Compatible Headsets

AT&T Syn248 series phones compatible headsets

AT&T Syn248 phone Headsets AT&T Syn248 business phone system has two corded desk phone models, SB35025 and SB35031. Both these two desktop phone models have RJ9 headset jack and compatible with OvisLink headset model OVHS072-SYN (single ear) and OVHS084-SYN (dual ear).