Manuals / AT&T / Communications / Cordless Telephone

AT&T ML17939 My caller ID isn’t working, System does not receive caller ID when on a call

Models: ML17959 ML17939

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Appendix

Troubleshooting

•If you subscribe to high-speed Internet service (DSL - digital subscriber line) through your telephone line(s), you must install a DSL filter between each telephone line cord and telephone wall jack (see Telephone base installation on pages 6-7). The filter prevents noise and caller ID problems caused by DSL interference. Please contact your DSL service provider for more information about DSL filters.

My caller ID isn’t working.

•Caller ID is a subscription service. You must subscribe to this service from your telephone service provider for this feature to work on your telephone base.

•The caller must be calling from an area that supports caller ID.

•Both your and your caller’s telephone service provider must use caller ID compatible equipment.

•If you subscribe to high-speed Internet service (DSL - digital subscriber line) through your telephone line(s), you must install a DSL filter between each telephone line cord and telephone wall jack (see Telephone base installation on pages 6-7). The filter prevents noise and caller ID problems resulting from DSL interference. Please contact your DSL service provider for more information about DSL filters.

System does not receive caller ID when on a call.

•Make sure you subscribe to caller ID with call waiting features from your telephone service provider. Caller ID feature works only if both you and the caller are in areas offering caller ID service, and if both telephone companies use compatible equipment.

The answering system records incomplete messages.

•The recording time of each message depends on the message length you set (see Incoming message length on page 25).

•If a caller leaves a very long message, part of it may be lost when the system disconnects the call after three minutes.

•If the caller pauses for longer than seven seconds, the system stops recording and disconnects the call.

•If the system’s memory becomes full during a message, the system stops recording and disconnects the call.

•If the caller’s voice is very soft, the system may stop recording and disconnect the call.

System does not answer after the correct number of rings.

•Make sure that the answering system is on (see Answer on/off on page 21).

•If toll saver is activated, the number of rings changes to two when you have new messages stored (see Number of rings on page 24).

•If the memory is full or the system is off, the system will answer after 10 rings.

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AT&T ML17939, ML17959 user manual My caller ID isn’t working, System does not receive caller ID when on a call
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ML17959, ML17939 specifications

The AT&T ML17939 and ML17959 models are two of the latest additions to AT&T's line of reliable and feature-rich corded telephones. Designed primarily for home and small office use, these models incorporate essential features that cater to the modern user's needs while ensuring robustness and ease of use.

One of the main features of the ML17939 and ML17959 is their large, easy-to-read backlit display. This display enhances visibility in various lighting conditions, an important characteristic for users who may have visual impairments or those who prefer a user-friendly interface. The backlight provides convenience, allowing users to easily see who is calling even in dim environments.

Both models offer a 40-number memory capacity, allowing users to store frequently dialed numbers for quick access, which is particularly beneficial in a busy home or office setting. The one-touch speed dial feature streamlines communication, reducing the time it takes to reach important contacts. Additionally, the ML17939 and ML17959 are equipped with a Caller ID function, providing users with instant recognition of incoming calls, further enhancing the user experience.

The phones utilize advanced security technologies, such as DECT (Digital Enhanced Cordless Telecommunications) technology for secure and clear call quality, minimizing interference from other devices. This helps ensure that conversations remain private and crisp, which is essential for both personal and professional calls.

Moreover, these models feature built-in speakerphones that allow for hands-free communication. This function is particularly beneficial for multitasking, enabling users to handle calls while attending to other tasks. The adjustable volume controls also contribute to a personalized user experience, allowing callers to set their preferred audio levels.

In terms of design, both the ML17939 and ML17959 models boast a sleek and modern appearance, fitting seamlessly into any environment. Their compact design is complemented by lightweight construction, making them easy to move and place as needed.

Overall, AT&T's ML17939 and ML17959 models stand out with their blend of functionality, advanced features, and user-friendly design. Ideal for those seeking a reliable and efficient corded telephone solution, these models aptly address the communication needs of contemporary users, making them an excellent choice for both home and office applications.