To register a handset to your telephone base

Appendix A

Adding and registering handsets

NOT REGISTERED

PRESS HNDST LOC 4 SEC ON BASE

PLEASE WAIT...

HANDSET X

REGISTERED

When first purchased, all expansion handsets show NOT REGISTERED on the screen. New handsets may need to be charged without interruption for at least 10 minutes before registering to the telephone base.

To register a handset to your telephone base

1.Make sure the handset is out of the telephone base or charger and shows NOT REGISTERED before you begin registration.

2.Press and hold HANDSET LOCATOR on the telephone base for about four seconds (until the red IN USE light on the telephone base is on) and then release the button. The IN USE light remains on while the telephone base attempts to register a handset.

3.Place the unregistered handset into the telephone base or charger, PRESS HNDST LOC 4 SEC ON BASE shows on the handset screen. The handset is now registering with the telephone base. The handset then shows PLEASE WAIT...

and it takes up to 60 seconds to complete the registration. There is a beep sound when the registration is successful. The handset shows HANDSET X REGISTERED, with X being the handset number (1-12).

NOTES:

1.If the registration is not successful, the display will show NOT REGISTERED. To reset the handset, remove the handset from the telephone base and place it back in. Try the registration process again.

2.You cannot register a handset if any other system handset is in use.

TL90078 specifications

The AT&T TL90078 is a highly acclaimed IP Phone that caters to the needs of modern businesses seeking reliable communication solutions. Designed with a focus on versatile functionality and ease of use, the TL90078 offers a range of features that enhance productivity in a corporate environment.

One of the standout characteristics of the TL90078 is its user-friendly interface. The IP phone is equipped with a large backlit display that allows for clear visibility, making it easier to navigate through menus, access contacts, and manage calls. This intuitive design aids users in efficiently handling their communication needs without unnecessary complications.

The TL90078 supports multiple line appearances, enabling users to manage several calls simultaneously. This feature is particularly valuable in busy office settings where efficient call management is crucial. Furthermore, the phone is compatible with both standard and high-definition audio, ensuring that conversations are crisp, clear, and free from disruptions.

In terms of connectivity, the TL90078 is designed to integrate seamlessly into existing VoIP infrastructures. It supports both Power over Ethernet (PoE) and traditional power options, providing flexibility in installation. This versatility means businesses can deploy the phone in various office layouts without the need for extensive wiring or modifications.

The device also incorporates advanced call management features, such as call forwarding, call waiting, and conference calling, allowing teams to collaborate effortlessly. The integration of productivity-enhancing applications further transforms the TL90078 into a powerful communication tool, with options for voicemail, speed dialing, and directory access directly from the handset.

Security is another critical aspect of the TL90078. The phone employs encryption protocols to protect sensitive communications, ensuring that businesses can operate securely without compromising on their data integrity.

In summary, the AT&T TL90078 is a robust IP phone that combines a user-friendly design with advanced features and technologies tailored for professional use. Its versatility, audio quality, and security capabilities make it a valuable asset for businesses aiming to enhance their communication systems. As organizations continue to adapt to evolving communication needs, the TL90078 stands out as a reliable choice in the competitive landscape of VoIP solutions.