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You can use this handset handsfree when you install any
industry-standard 2.5mm corded telephone headset (purchased
separately). For best results, use an AT&T 2.5mm corded headset.
To purchase a corded headset, visit our website at
www.telephones.att.com, or call 1 (800) 222-3111. In
Canada, dial 1 (866) 288-4268.
Getting started
Adding a corded headset
Plug a 2.5 mm
headset into the
HEADSET jack on the
side of the handset.
Side view of the handset