This document is the user manual for the AT&T TL7600 DECT 6.0 expansion headset, providing information on safety, feature operations, and troubleshooting. It also includes a parts checklist and contact information.
The TL7600 is a DECT 6.0 expansion headset designed for use with AT&T cordless telephone bases. It includes a headset, charger, battery, and optional accessories such as over‑the‑ear hooks.
This manual covers charger and battery installation, registration of the headset to a base, basic operation (answering, ending, and transferring calls), volume and alert tone controls, de‑registration, and troubleshooting. Safety information and warranty details are also included.
Charge the headset battery for at least six hours before use.
Install a DSL filter between the telephone line cord and the telephone wall jack to prevent noise and caller ID problems.