Troubleshooting

Troubleshooting

The display is in the alternate language.

You can change to another language by pressing Iand V, then pressing *. Press Vuntil the desired language is displayed and then press * to set the language.

The cursor doesn’t move when saving in the Directory.

The number or name is too long. Numbers can be no longer than 24 digits and names can be no longer than 16 characters.

There is no information on the display and the ringer volume is low.

Make sure the power adaptor is plugged in to a working electrical outlet.

I cannot hear a caller.

Make sure the handset cord is inserted securely into the jack and make sure the receiver volume is high enough.

The power is out and the display is blank.

The 9120 still operates as a regular telephone during a power failure. You can dial using the dial pad and you can receive calls, but the other keys and the display do not operate until the power is restored. Only Line 1 works in this situation.

The display works but you can’t hear dial tone.

Your telephone lines may be wired differently from the telephone jack. To have a service person correct the wiring, contact your local telephone company.

The telephone wobbles.

Check that the handset cord is placed in the channel between the stand and the telephone. See the illustration on page 7.

I cannot program a memory key.

Some of the memory keys may be factory-programmed. These keys are locked and cannot be erased or reprogrammed.

Callers are not identiÞed on the display.

Let the telephone ring at least twice before answering. If that doesn’t work, you may not have a Calling Line IdentiÞcation† service. To subscribe, contact your local telephone company.

The Callers List is empty.

Until you subscribe to Calling Line IdentiÞcation†† service, your telephone does not record incoming calls. Also, the Call Log option may be set to log no calls. See page 18 for information.

I cannot dial a number in the callers list.

The caller may have an unknown number.

I have only one line connected to my phone, and I keep getting the message Check line cord.

Check that the line cord is connected to a jack.

†This service may have a different name in your area. †† This service may have a different name in your area.

Contact your telephone company for information. Contact your telephone company for information.

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Aastra Telecom 9120 manual Troubleshooting
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9120 specifications

The Aastra Telecom 9120 is a sophisticated and versatile IP telephone designed for business environments seeking high-quality communication solutions. This model emphasizes ease of use, functionality, and advanced technologies, making it an ideal choice for various organizations.

One of the notable features of the Aastra 9120 is its robust design, ensuring durability in demanding office settings. It integrates seamlessly with Aastra's compatible communication platforms, enabling users to take full advantage of VoIP technology. The device provides a clear audio experience, featuring high-definition voice quality that enhances every conversation, thereby reducing misunderstandings and increasing efficiency.

The Aastra 9120 supports various network protocols, including SIP (Session Initiation Protocol), making it versatile enough to be integrated into existing telecommunication infrastructures. This flexibility is particularly beneficial for businesses looking to standardize their telephony systems while future-proofing their investments.

User convenience is a significant factor in the design of the Aastra 9120. It features an intuitive graphical display that allows for easy navigation of menus and features. The phone also boasts programmable keys, allowing users to customize their calling experience by accessing frequently used functions and contacts with the push of a button.

Another important aspect of the Aastra 9120 is its integration capabilities with various applications and software solutions, such as unified communications. This enables features like presence information and instant messaging, facilitating a more collaborative work environment. Furthermore, the device supports headset connectivity, enhancing mobility and comfort for users who spend long periods on calls.

In terms of energy efficiency, the Aastra 9120 is designed with power-saving technologies that comply with modern green standards. This feature not only reduces the overall energy consumption of an organization but also aligns with corporate sustainability goals.

Overall, the Aastra Telecom 9120 is an outstanding choice for businesses seeking reliable and advanced communication solutions. Its combination of user-friendly features, superior audio quality, and advanced integration capabilities make it a standout product in the realm of IP telephony. As organizations continue to evolve and adopt new technologies, the Aastra 9120 remains a significant asset in maintaining effective communication and collaboration in the workplace.
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