Using the EU24/EU24BL Expansion Module

4.To brighten the contrast, press the telephone’s Right Page button until you reach the desired contrast level. To dim the contrast, press the telephone’s Left Page button until you reach the desired contrast level.

Each press results in the contrast being increased or decreased, depending on which page button you press. Chevron symbols provide visual confirmation of the current level.

5.Save the contrast level you set by pressing either the telephone’s Done softkey or the Exit button. To re-adjust the contrast, repeat this procedure from Step 1.

Changing the Display Contrast Using a 4620/4620SW, 4621SW, 4622SW, or 4625SW IP Telephone

1.With the EU24/EU24BL attached to your phone, press the telephone’s Options button to access the Options Main screen.

2.Select the Contrast Control option from the Options Main screen.

3.Press the Line/Feature button on either side of the column in which you see the expansion module’s model number, for example, EU24. Doing so identifies that you want to adjust the display contrast and highlights that line.

4.To brighten the contrast, press the telephone’s Right Arrow softkey until you reach the desired contrast level. To dim the contrast, press the telephone’s Left Arrow softkey until you reach the desired contrast level.

Each softkey press results in the contrast being increased or decreased, depending on which arrow softkey you press. Chevron symbols provide visual confirmation of the current level.

5.Save the contrast level you set by pressing the telephone’s Save softkey. To restore the previous setting without changing the contrast, press the Cancel softkey.

The first Options Main screen displays.

Issue 3 November 2006 9

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Avaya 555-250-702 manual First Options Main screen displays
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555-250-702 specifications

The Avaya 555-250-702, a robust and versatile phone model, is designed primarily for business environments. With a strong focus on enhancing communication efficiency, this device boasts numerous features suitable for both small and large organizations. Its sleek design and user-friendly interface make it an attractive option for users at all levels of technical expertise.

One of the standout features of the Avaya 555-250-702 is its high-definition audio quality. Utilizing advanced audio technologies, the phone ensures clear and crisp voice communication, reducing misunderstandings during critical calls. The wideband audio capabilities deliver a more natural sound, making conversations more engaging.

Another significant characteristic of this model is its support for multiple lines and programmable buttons. Users can easily manage several calls simultaneously, switch between them, or place them on hold without any hassle. The programmable buttons allow for quick access to frequently used functions and contacts, enhancing productivity and streamlining communication.

The Avaya 555-250-702 integrates seamlessly with Avaya's comprehensive communication solutions, including Avaya Aura and Avaya IP Office. This compatibility ensures that businesses can leverage their existing infrastructure and enjoy a range of services such as voice mail, conferencing, and call forwarding. The device supports both SIP (Session Initiation Protocol) and digital signaling, allowing for flexible deployment depending on the organization's needs.

Additionally, the Avaya 555-250-702 is equipped with a large, backlit display that provides clear visibility even in low-light conditions. The intuitive interface and navigation keys simplify access to settings and features, making it easy for users to customize their experience.

Security is another feature that stands out in the Avaya 555-250-702. With built-in encryption and secure signaling protocols, the device helps protect sensitive information during calls, which is vital for businesses that handle confidential data.

Overall, the Avaya 555-250-702 is a reliable communication tool that caters to the dynamic needs of modern workplaces. Its advanced audio technology, user-friendly interface, multiple line support, and security features make it a valuable asset for organizations aiming to enhance their communication capabilities. Whether in a small office or a large enterprise, this device is designed to meet the challenges of contemporary business communications head-on.
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