Appendix B

Troubleshooting

System does not receive caller ID when on a call.

•Make sure you subscribe to caller ID with call waiting features services provided by your local telephone company. Caller ID features will work only if both you and the caller are in areas offering caller ID service, and if both telephone companies use compatible equipment.

Common cure

If the unit does not seem to be responding

for electronic

normally, try putting the cordless handset in

equipment.

its base. If it does not seem to respond, do the

 

following (in the order listed):

 

1.

Disconnect the power to the telephone

 

 

base.

 

2.

Disconnect the cordless handset battery,

 

 

and spare battery, if applicable.

 

3.

Wait a few minutes.

 

4.

Connect power to the telephone base.

 

5.

Re-install the battery, and place the

 

 

cordless handset into the telephone base.

 

6.

Wait for the cordless handset to re-establish

 

 

its connection with the telephone base.

 

 

Allow up to one minute for this to take

 

 

place.

22

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AT&T TL90078 user manual Troubleshooting
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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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