AT&T TL90078 user manual Troubleshooting

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Appendix B

Troubleshooting

If you have difficulty with your telephone, please try the suggestions below. For Customer Service, visit our website at

www.telephones.att.com, or call 1 (800) 222–3111. In Canada, dial 1 (866) 288-4268.

My phone doesn’t work at all.

•Make sure the power cord is securely plugged in.

•Make sure that the battery connector is securely plugged into the cordless handset.

•Make sure the telephone line cord is securely and firmly plugged into the telephone base and the telephone wall jack.

•Charge the battery in the cordless handset for at least 16 hours. For optimum daily performance, return the cordless handset to its base when not in use.

•Reset the telephone base. Unplug the unit’s electrical power. Wait for approximately 15 seconds, then plug it back in. Allow up to one minute for the cordless handset and telephone base to reset.

•You may need to purchase a new battery, please refer to Battery installation and charging, pages 7-9, in this user’s manual.

I cannot get a dial tone.

•First try all the suggestions above.

•Move the cordless handset closer to the telephone base. You might have moved out of range.

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Contents User’s manual Congratulations Compatible with Hearing Aid T-Coil TIA-1083 Parts checklist Your telephone package contains the following itemsTable of contents User’s manualQuick reference guide DIR / CIDHold Feature menu Handset status icons 1021 AMHome line Installation Avoid placing the telephone base too close toCharger installation Important InformationBattery installation & charging Step Important Information Adding and registering handsets To register a handset to your telephone base Replacing a handset You may need to deregister your handsets ifTroubleshooting Troubleshooting Troubleshooting Searching for Base appears on my cordless handset Off in this Troubleshooting guide Please refer to Battery installationTroubleshooting Troubleshooting Interference with your cordless phone. Try If the other phones in your home are having Troubleshooting Taking care of your telephone MaintenanceCleaning your telephone Avoid waterImportant safety information Important safety information Precautions for users of implanted cardiac pacemakers Pacemaker Patients FCC Part 68 and Acta FCC Part 68 and Acta Industry Canada FCC Part FCC Part Limited warranty Limited warranty Limited warranty Limited warranty Technical specifications Operation Operating timeDect 6.0 digital technology

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.
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