AT&T TL80133 Accessory Cordless Speakerphone, Black | Requires AT&T CL, CRL, CLP, TL and VTech DS, SN, or IS Series Cordless Phone System to Operate Dect 6.0 Technology Face-up Speaker & Microphone Provide Superior Sound & Ease Of Use Speakerphone Fits In Pocket To Carry Anywhere Within Range For use with many AT&T business phones and AT&T CL, CRL, CLP, TL and VTech DS, SN, IS series home cordless phones. 1-touch Call Answer Button