AT&T TL90078 user manual Off in this Troubleshooting guide, Please refer to Battery installation

Models: TL90078

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Appendix B

Troubleshooting

The batteries

If the cordless handset is in its telephone

will not hold a

 

base or charger and the charge light does

charge.

 

not come on, refer to The charge light is

 

 

off in this Troubleshooting guide.

 

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.

 

You may need to purchase a new battery.

 

 

Please refer to Battery installation and

 

 

charging, pages 6-7, in this user’s manual.

 

 

 

I get noise,

If you subscribe to high-speed Internet

static, or weak

 

service (digital subscriber line - DSL) through

signal even

 

your telephone lines, you must install a

when I’m near

 

DSL filter between the telephone base and

the telephone

 

the telephone wall jack. The filter prevents

base.

 

noise and caller ID problems caused by DSL

 

 

interference. Please contact your DSL service

 

 

provider for more information about

 

 

DSL filters.

 

You may be able to improve the

 

 

performance of your cordless phone by

 

 

installing your new telephone base as far

 

 

as possible from any other existing cordless

 

 

telephone system that may already be

 

 

installed.

 

Other electronic products can cause

 

 

interference to your cordless phone. Try

 

 

installing your phone as far away from the

 

 

following electronic devices as possible:

 

 

television sets, VCRs, or other cordless

 

 

telephones.

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AT&T TL90078 user manual Off in this Troubleshooting guide, Please refer to Battery installation

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.